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Protein synthesis: translation process

In the translation process, interpretation of genetic codes in form of codon along mRNA would create a particular protein. The translator is the transfer RNA (tRNA) which has three nucleoide (anticodon) specific for each type of amino acid. The anticodon bond to the complementary codon of the mRNA and transfering amino acids from cytoplasm to ribosome. Category: Education Length: 00:01:06.750 Tags: translation trna ribosome .

 

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Translation

This video describes the process of adding amino acids to a growing polypeptide chain during translation. This video is from: Essential Cell Biology, 3rd Edition Alberts, Bray, Hopkin, Johnson, Lewis, Raff, Roberts, & Walter ISBN: 978-0-8153-4129-1 Category: Science & Technology Length: 00:01:07.500 Tags: molecular biology .

 

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Mrna translation (advanced)

The job of the mRNA is to carry the gene's message from the DNA out of the nucleus to a ribosome for production of the particular protein that this gene codes for. Originally created for DNA Interactive ( www.dnai.org ). TRANSCRIPT The job of this mRNA is to carry the genes message from the DNA out of the nuceus to a ribosome for production of the particular protein that this gene codes for. There can be several million ribosomes in a typical eukaryotic cell these complex catalytic machines use the mrna copy of the genetic information to assemble amino acid building blokes into the three dimensional proteins that are essential for life. Lets see how it works. The ribosome is composed of one large and one small sub-unit that assemble around the messenger RNA, which then passes through the ribosome like a computer tape. The amino acid building blocks (that's the small glowing red molecules) are carried into the ribosome attached to specific transfer RNAs. That's the larger green molecules also referred to as tRNA. The small sub-unit of the ribosome positions the mRNA so that it can be read in groups of three letters known as a codon. Each codon on the mRNA matches a corresponding anti-codon on the base of a transfer RNA molecule.The larger sub-unit of the ribosome removes each amino acid and join it onto the growing protein chain. As the mRNA is ratcheted through the ribosome, the mRNA sequence is translated into an amino acid sequence. There are three locations inside the ... Category: Education Length: 00:02:18 Tags: messenger rna ribosomal rna sequence of amino acids .

 

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Protein synthesis ii

This course is part of a series taught by Kevin Ahern at Oregon State University on General Biochemistry. For more information about online courses go to ecampus.oregonstate.edu for the rest of the courses see www.youtube.com 1. The anticodon loop has three bases complementary to the codon in the mRNA. tRNAs provide the translation function between nucleic acid sequence and amino acids. The anticodon loop frequently contains the inosine base. The base at the 3' end of the codon of the mRNA (corresponds to the base at the 5' end of the anticodon in the tRNA) is called the wobble base because it is less important for specifying the amino acid to be inserted than the first two bases. 2. Aminoacyl-tRNA synthetases have the ability to recognize and correct errors in joining of amino acids to tRNAs. For example, if one puts the wrong amino acid on the end of a tRNA and then adds an appropriate aminoacyl-tRNA synthetase, the amino acid is readily removed. 3. Two regions of aminoacyl-tRNA synthetases are important for editing - called the activation site and the editing site. 4. There are two classes of amino acid tRNA synthetases. They differ in the way they bind tRNAs and in which hydroxyl of the ribose ring they attach the amino acid to. Class I enzymes attach the amino acid to the hydroxyl on carbon #2. Class II enzymes attach the amino acid to the hydroxyl on carbon #3. 5. Base pairings in RNA are slightly different than in DNA. For example, GU base pairs are not unstable ... Category: Education Length: 00:37:38.250 Tags: osu ecampus online science biology .

 

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Biology: transfer rna role: charging trna molecule

www.mindbites.com for a bundle of videos on Translation. For an even broader bundle of videos that cover Molecular Genetics and Translation, check out www.mindbites.com . To search for topic-specific help in our library of 400+ video products for Biology, please refer to our Biology category at: www.mindbites.com . To check out our full Biology video course, with 390+ videos included, refer to: www.mindbites.com . Or, for access to this single video, go to: www.mindbites.com . Category: Education Length: 00:02:38.250 Tags: biology learn how .

 

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Bite-sized biochemistry #48 - translation ii (protein synthesis)

Lecture by Kevin Ahern of Oregon State University discussing Biochemistry Basics in BB 451. See the full course at oregonstate.edu This course can be taken for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu Download Metabolic Melodies at www.davincipress.com Related courses include BB 350 - oregonstate.edu BB 450 - oregonstate.edu BB 100 - oregonstate.edu Highlights Translation II 1. The anticodon loop has three bases complementary to the codon in the mRNA. tRNAs provide the translation function between nucleic acid sequence and amino acids. The anticodon loop frequently contains the inosine base. The base at the 3' end of the codon of the mRNA (corresponds to the base at the 5' end of the anticodon in the tRNA) is called the wobble base because it is less important for specifying the amino acid to be inserted than the first two bases. 2. Aminoacyl-tRNA synthetases have the ability to recognize and correct errors in joining of amino acids to tRNAs. 3. Two regions of aminoacyl-tRNA synthetases are important for editing - called the activation site and the editing site. 4. There are two classes of amino acid tRNA synthetases. They differ in the way they bind tRNAs and in which hydroxyl of the ribose ring they attach the amino acid to. 5. Base pairings in RNA are slightly different than in DNA. For example, GU base pairs are not unstable. "I" (inosine) can also pair with C,U, or A. 6. In the genetic code, there are 64 possible ... Category: Education Length: 00:35:12.750 Tags: health medicine .

 

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Trna

This video describes the structure of tRNA. This video is from: Essential Cell Biology, 3rd Edition Alberts, Bray, Hopkin, Johnson, Lewis, Raff, Roberts, & Walter ISBN: 978-0-8153-4129-1 Category: Science & Technology Length: 00:01:15 Tags: .

 

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Central dogma - tik tok (ke$ha) music video for citylab

CityLab Website: www.citylabatucla.org Music: Tik Tok by ke$ha Lyrics by: Paulina Tran Vocals by: Paulina Tran and Jackie Yi Video edited by: Paulina Tran Vocals made less crappy by: Arthon Charanvattanakit Category: Music Length: 00:02:35.250 Tags: .

 

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Translation rap fo shizz!

Thanks to RHMediadesk for his sick beats! This wouldn't have been possible without such a hot track. So here are some white girls (LBow, M-Squared, and Righteous MH Pain) rapping about biology. Translation station about to begin With these three steps your body will win The point of translation is to make some protein Use adenine, guanine, thymine, and uracil! In the cytoplasm is where it be Look a little closer and you will see That tRNA has the anticodon bit And mRNA has the codon [THATS LEGIT!] Three different steps make up this thang Its sure to go off with a bang Initiation, elongation and still theres more Termination wraps up this fantastic score Initiation begins with start codon AUG The direction is from five prime to three Small ribosomal unit comes out to play It moves down the strand of the mRNA The first tRNA is up to bat With anticodon UAC, man thats phat Hydrogen bonding connect the two Translation initiation complex foo Thanks to a subunit of the large ribosome Initiation factors bring it on home Thats the first step, wasnt it great? Onto elongation I cant wait! Of amino acids there are plenty As a matter of fact I count twenty on five prime of tRNA they wait till its bound at the site of A Elongation factors bring it together Hydrogen bonding, can it last forever? Now amino acids must get their bond Of this coming step, Ive grown quite fond If P and A are full, polypeptide bonds can form Ribosomes catalyse and make this the norm The old tRNA is basically ... Category: Education Length: 00:02:13.500 Tags: .

 

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Bite-sized biochemistry #47 - transcription iii / translation i

Lecture by Kevin Ahern of Oregon State University discussing Biochemistry Basics in BB 451. See the full course at oregonstate.edu This course can be taken for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu Download Metabolic Melodies at www.davincipress.com Related courses include BB 350 - oregonstate.edu BB 450 - oregonstate.edu BB 100 - oregonstate.edu Transcription (continued) 1. A third modification to eukaryotic mRNAs that occurs is called editing. In editing, a base is chemically changed or added to an existing mRNA. Trypanosomes are unusual in inserting the base 'U' in multiple places in many mRNAs. Doing so is essential to getting the code right for making many of their proteins. 2. A more common editing modification that occurs in human cells is that involved with the Apo B-100 / Apo B-48 protein. Both proteins are coded by the same gene. (Note that I got the two proteins backwards in the lecture. What follows is correct) This lipoprotein is found in chylomicrons (Apo B-48) and liver cells (Apo B-100). Liver cells lack an RNA editing enzyme that intestinal cells have. The editing enzyme converts a C in a CAA sequence in the coding region of the gene to a U, making the stop codon UAA. 3. Splicing is the fourth modification that happens to eukaryotic mRNAs. Splicing also occurs to tRNAs and rRNAs in eukaryotes. Splicing involves removal of internal sequences from RNA followed by joining of ends. The removed sequences are ... Category: Education Length: 00:35:54.750 Tags: molecular biology .

 

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16. gene expression 3 of 4. translation

This series of videos look at the production of proteins - third by looking at how the copy of mRNA is translated into a protein, at the ribosome - with the help of tRNA molecules. Category: Education Length: 00:07:28.500 Tags: .

 

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Protein synthesis animation video

Brought to you by: www.biology-forums.com Category: Science & Technology Length: 00:01:48.750 Tags: transcription translation .

 

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Translation part ii

This is a quick summary of translation of RNA into protein Category: Education Length: 00:08:00 Tags: translation trna .

 

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Ef-tu delivers aminoacyl-trna to the ribosome

This shows the "decoding" step of protein synthesis Category: Science & Technology Length: 00:01:14.250 Tags: .

 

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Tea advanced biotechnology 1.4 - protein synthesis

Goals for this lesson: 1. Describe the structure of RNA and contrast with the structure of DNA. 2. Describe the process of transcription, including the enzymes involved in producing a mature mRNA. 3. Describe the process of translation, including the roles of mRNA, tRNA, and rRNA. Category: Education Length: 00:11:25.500 Tags: .

 

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Transcription and translation

HERE'S A SIMPLE AND EASY TO UNDERSTAND ANIMATION MADE BY US IN ORDER TO SHOW THE PROCESS OF TRANSCRIPITON AND TRANSLATION IN PROTEIN SYNTHESIS. IT IS RECOMMENDED FOR HIGH SCHOOL STUDENTS AS THIS VIDEO WAS MADE FOR THIS LEVEL OF KNOWLEDGE. Category: Science & Technology Length: 00:03:06.750 Tags: transcription translation .

 

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Lodish et al 2000 gene expression

Shows from induction of transciption through translation. Copyrighted to author; I did not make this movie. Category: Howto & Style Length: 00:01:31.500 Tags: .

 

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12.1.2 - the central dogma 2

Biology 122 Week12.Lecture1.Part2 The Central Dogma 2 Category: Education Length: 00:19:34.500 Tags: transcription translation .

 

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Translation - central dogma part 2

Various DNA molecular visualizations derived from x-ray crystallography and other data sets, and imbued with dynamic movement that suggest brownian motion. These molecular animations were created for a major trans-national production effort to raise awareness, educate and promote DNA science to the wider community, coinciding with the 50th anniversary of the discovery of the double helix. Category: Science & Technology Length: 00:01:51 Tags: .

 

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12.3.1 - gene expression, continued

Biology 122 Week12.Lecture3.Part1 Gene Expression, continued Category: Education Length: 00:18:39.750 Tags: translation trna .

 

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Translation biologie geromovie (lange version)

Die Translation ist ein Lehrvideo für Biologie (Zelle) [GeroMovie©] Mit witzigen und anschaulichen Erklärungen versteht jeder was eine Translation ist und was sie bewirkt und wie der Prozess abläuft. Die Translation ist die Herstellung von Proteinen - sie findet am Ribosom statt - mRNA dient als Ablesevorlage - tRNA´s vermitteln die Aminosäuren Gen- bzw. Codesonne: - dient zur Ermittlung der Aminosäuren - wird von Innen nach Außen gelesen (5´- 3´Richtung) - erfunden von Carsten Bresch und Rudolf Hausmann - Gensonne: Original aus dem Video: a3.sphotos.ak.fbcdn.net Standard von Wikipedia: upload.wikimedia.org Translations Prozess: Schritt 1) Ribosom setzt sich an die mRNA an (immer ein Basentriplett befindet sich in den Stellen) Schritt 2) tRNA´s setzen sich an die mRNA an (immer nur an 2 Stellen gelichzeitig (A und P-Stelle: prätranslationalen Zustand/ P und E-Stelle: posttranslationalen Zustand) Wiederholungs-Prozess: Schritt 3.1) Die P-Stellen-tRNA gibt die entstehende Aminosäurekette ab Schritt 3.2) Die Aminosäurekette wird auf die A-Stellen-tRNA übertragen Schritt 3.3) Ribosom wechselt in den posttranslationalen Zustand und wandert ein asentriplett weiter Schritt 3.4) Die A-Stelle wird erneut besetzt GLEICHZEITIG wird die E-Stellen-tRNA heraus geschleust (Dieser Prozess wiederholt sich, bis das Ribosom auf ein Stoppcodon trifft.) Schritt4) Durch das Stoppcodon wird die Translation beendet. Das Ribosom löst sich von der mRNA (mRNA kann erneut abgelesen werden und zwar ... Category: Education Length: 00:15:24.750 Tags: .

 

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3.5.4 explain the process of translation leading to polypeptide formation.m4v

3.5.4 Explain the process of Translation, leading to polypeptide formation Translation is the second stage in the process of protein synthesis where a piece of mRNA (formed in Transcription) is used to create a polypeptide chain. Key terms: mRNA (messenger RNA) is made up of codons tRNA (transfer RNA) contains an anticodon which defines the specific amino acid carried by the tRNA Translation takes place in the cytoplasm and the first thing that happens is that the ribosome attaches to the mRNA at the start codon (always AUG). The ribosome is made up of rRNA (ribosomal RNA) and ribosomal protein. The ribosome has an 'A' site (consider this like an attachment site) and a 'P' site (consider this like a parking site). A piece of tRNA with an anticodon complimentary to the start codon on mRNA comes from the cytoplasm, carrying a specific amino acid, to attach at the start codon in the 'P' site. The first amino acid is always Methionine. A second piece of tRNA with an anticodon complimentary to the second codon on mRNA comes from the cytoplasm, carrying a specific amino acid, to attach to the second codon in the 'A' site. In this case the second amino acid is Tyrosine. A covalent peptide bond forms between the two amino acids. The ribosome moves along the mRNA by one codon. The second tRNA is now in the 'P' site and the 'A' side is free. The first piece of tRNA is now free to leave as its amino acid is now bonded to the second amino acid (whose tRNA is in the 'P' site). With ... Category: Science & Technology Length: 00:02:26.250 Tags: .

 

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A general overview of translation & protein trafficking

Translation is the third stage of protein biosynthesis (part of the overall process of gene expression). In translation, messenger RNA (mRNA) produced by transcription is decoded by the ribosome to produce a specific amino acid chain, or polypeptide, that will later fold into an active protein. In Bacteria, translation occurs in the cell's cytoplasm, where the large and small subunits of the ribosome are located, and bind to the mRNA. In Eukaryotes, translation occurs across the membrane of the endoplasmic reticulum. The ribosome facilitates decoding by inducing the binding of tRNAs with complementary anticodon sequences to that of the mRNA. The tRNAs carry specific amino acids that are chained together into a polypeptide as the mRNA passes through and is "read" by the ribosome in a fashion reminiscent to that of a stock ticker and ticker tape. More info: Spongelab Biology: www.spongelab.com/biology Category: Education Length: 00:00:45.750 Tags: .

 

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Translation biologie geromovie (kurze version)

Die Translation ist ein Lehrvideo für Biologie (Zelle) [GeroMovie©] Dies ist die kurze Version, der Translation. Klicke auf den Link "lange Version Translation" um zu der ausführlichen, langen Version der Translation zu gelangen. Zusammenfassung der Translation: - Ribosom setzt sich an die mRNA an - tRNA´s setzen sich an die mRNA an - Wiederholungs-Prozess: a) Die P-Stellen-tRNA gibt die entstehende Aminosäurekette ab b) Die Aminosäurekette wird auf die A-Stellen-tRNA übertragen c) Ribosom wechselt in den posttranslationalen Zustand und wandert ein Basentriplett weiter d)Die A-Stelle wird erneut besetzt GLEICHZEITIG wird die E-Stellen-tRNA heraus geschleust (Dieser Prozess wiederholt sich, bis das Ribosom auf ein Stoppcodon trifft.) -Durch das Stoppcodon wird die Translation beendet. Das Ribosom löst sich von der mRNA - Die Aminosäure/ Das Protein löst sich vom Ribosom und das Ribosom zerfällt in seine Untereinheiten (bis zur nächsten Verwendung) Ergebnis: Ein Protein Viel Spaß beim Anschauen. GeroMovie© Animation: Gerrit Dursch Category: Education Length: 00:02:39.750 Tags: .

 

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Biology: protein synthesis: an overview

www.mindbites.com for full video. www.mindbites.com for a pair of videos on protein synthesis or www.mindbites.com for a full set of videos on this in addition to a broader treatment of the ins and outs of molecular genetics including all of the aforementioned and more. Or, if you're really needing broader help with Biology, check out the full Biology course (390+ videos) at www.mindbites.com To view all of the lessons on Biology that MindBites has to offer, head on over to our Biology Category Page: www.mindbites.com Professor Wolfe provides an overview of the process of protein synthesis. Protein synthesis occurs when a ribosome bonds to mRNA in the cytosol of the cell and has four steps, initiation, elongation, termination and translation. Initiation begins when the start codon binds with the initiator tRNA at the P site. Elongation begins once the second tRNA anticodon binds with the appropriate mRNA codon at the A site. GTP provides the energy that is needed to form the peptide bonds that hold the polypeptide chain together. Termination occurs when the mRNA stop codon binds with a release factor. Translation results in the release of the new polypeptide chain. This lesson is perfect for review for a CLEP test, mid-term, final, summer school, or personal growth! Taught by Professor George Wolfe, this lesson was selected from a broader, comprehensive Biology course. Category: Howto & Style Length: 00:02:21 Tags: .

 

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Ch 27 translation part 1 (biochemistry)

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Ch 27 translation part 2 (biochemistry)

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Biology translation

Free Science Help at Brightstorm! brightstorm.com The synthesis of proteins. Category: Education Length: 00:03:11.250 Tags: .

 

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Dna translation rap

IB Biology Project: Fiona Bai and Katie Despian rap how translation works LYRICS: Translation uh-huh uh-huh Translation uh-huh uh-huh STAGE 1: Initiation! You got your two homedogs mRNA & initiator tRNA chillaxing in their hood: R-subunit. Then they both met and hit it off with their starting codons AUG, I say AUG with his UAC (in the P-site.) They all went to a bigger hood of R-subunit and met fellow gangster A & E STAGE 2: Elongation The bonding between anti-condon tRNA And the condo on mRNA is such a sensation A blind date at A-site set up by matchmaker rRNA get the amino acids excited to from some peptide bonds with P-Site AAs!! Then the tRNA translocates from the A to the P and the P to the E I say: A to the P and P to the E. One more time! A to the P and P to the E. Finally youre at Stage 3! STAGE 3: We got boy! Its just so fun! Like Arnold Schwaitzingger says Termination In rolls the stop-codon with his release factor- Gangster attitude and bomb like tick-tick-BOOM. He breaks up the party and everybody runs, And thats it for Translation!! Category: Science & Technology Length: 00:00:57 Tags: .

 

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Protein synthesis, translation (1)

Protein Synthesis, Translation Translation - the process of converting the mRNA codon sequences into an amino acid polypeptide chain. 1. Initiation - A ribosome attatches to the mRNA and starts to code at the FMet codon (usualy AUG, sometimes GUG or UUG). 2. Elongation - tRNA brings the corresponding amino acid to each codon as the ribosome moves down the mRNA strand. 3. Termination - Reading of the final mRNA codon (aka the STOP codon), which ends the sythesis of the peptide chain and releases it. Category: Education Length: 00:01:42 Tags: Translation health .

 

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Transcription and translation

Paul Andersen explains the central dogma of biology. He explains how genes in the DNA are converted to mRNA through the process of transcription. He then explains how ribosomes use this message to convert the mRNA to a functioning protein. He also shows you how to decode a gene by converting the DNA to complementary mRNA and then to the specific amino acids in a protein. Category: Education Length: 00:08:57.750 Tags: transcription translation .

 

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T-rna

t-rna Category: Howto & Style Length: 00:00:04.500 Tags: .

 

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Protein synthesis stage 2: translation

Details on Translation: Initiation, Elogation, and Termination Category: Education Length: 00:04:58.500 Tags: .

 

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Ziz 042 transfer rna - sd pal / ziz 042 trna - sd pal

Kategorie C - Liegt zur Lizenzierung ohne Wasserzeichen in folgendem Format vor: 720x576. Die Einbettung mit Wasserzeichen ist kostenlos. English: Category C - full version without watermark 720x576 (check terms and conditions at www.teledesign.de) The version with watermark is for free to embed - Text: Transfer ribonucleic acid ( tRNA) is a small RNA molecule that transfers a specific active amino acid to a growing polypeptide chain at the ribosomal site of protein synthesis during translation. It has a 3' terminal site for amino acid attachment. It also contains a three base region called the anticodon that can base pair to the corresponding three base codon region on mRNA. Each type of tRNA molecule can be attached to only one type of amino acid, but because the genetic code contains multiple codons that specify the same amino acid, tRNA molecules bearing different anticodons may also carry the same amino acid. The ribosome has three binding sites for tRNA molecules: the A (aminoacyl), P (peptidyl), and E (exit) sites. During translation the A site binds an incoming aminoacyl-tRNA as directed by the codon currently occupying this site. This codon specifies the next amino acid to be added to the growing peptide chain. Category: Science & Technology Length: 00:01:06 Tags: .

 

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Dna, hot pockets, & the longest word ever: crashcourse biology #11

Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins. Like CrashCourse on Facebook! www.facebook.com Follow CrashCourse on Twitter! www.twitter.com Table of Contents: 1) Transcription 2:12 A) Transcription Unit 3:00 B) Promoter 3:10 C) TATA Box 3:32 D) RNA Polymerase 4:12 E) mRNA 4:15 F) Termination signal 5:21 G) 5' Cap & Poly-A Tail 5:34 2) RNA Splicing 6:08 A) SNuRPs & Spliceosome 6:26 B) Exons & Introns 6:56 3) Translation 7:28 A) mRNA & tRNA 8:01 B) Triplet Codons & Anticodons 8:39 4) Folding & Protein Structure 10:51 A) Primary Structure 11:11 B) Secondary Structure 11:23 C) Tertiary Structure 11:58 D) Quaternary Structure 12:44 Links to episodes referenced in the video: DNA structure episode: www.youtube.com Animal cells episode: www.youtube.com Fold-it SciShow episode: www.youtube.com REFERENCES for this video can be found in the Google document here: dft.ba This video contains the following sounds from Freesound.org: "IMPresora.wav" by melack "swishes.wav" by pogotron tags: crashcourse, science, biology, DNA, titin, hot pocket, transcription, translation, gene, RNA, enzyme, transcription unit, adenine, thymine, cytosine, guanine, TATA box, DNA strand, mRNA, messenger RNA, RNA polymerase, uracil, termination signal, RNA splicing, SNuRPs, spliceosome, exons, introns, ribosome, tRNA ... Category: Education Length: 00:10:36 Tags: .

 

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Transcription i

This course is part of a series taught by Kevin Ahern at Oregon State University on General Biochemistry. For more information about online courses go to ecampus.oregonstate.edu for the rest of the courses see www.youtube.com 1. Transcription is the process where RNA is made using DNA as a template. Students should ABSOLUTELY not mix up or misuse the terms DNA Replication, Transcription, and Translation. 2. RNA polymerization requires an enzyme called RNA polymerase. It can start a chain without a primer, incorporates nucleotides into a growing chain in the 5' to 3' direction using phosphodiester bonds, and uses ATP, GTP, CTP, and UTP as starting compounds. The product of RNA polymerization is called a transcript. 3. The 5' -most nucleotide in RNA has three phosphates on it. All other nucleotides in RNA have only the single phosphate of a phosphodiester bond. Synthesis of the phosphodiester bond arises from nucleophilic attack of the 3' oxygen on the internal phosphate (closest to carbon 5 of the ribose) of the incoming 5' nucleotide. 4. Cells have three main types of RNA - mRNA (carries message to be translated into protein), tRNA (carries amino acids to ribosomes for incorporation into protein), and rRNA (components of ribosomes). 5. In E. coli, all of the RNAs are made by a single polymerase, known as RNA Polymerase. Eukaryotic cells have three RNA polymerases - RNA Polymerase I (rRNAs), RNA Polymerase II (mRNAs and snRNAs), and RNA Polymerase III (tRNAs). 6. E. coli ... Category: Education Length: 00:37:51 Tags: osu ecampus online science biology .

 

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Bite-sized biochemistry #45 - transcription i (rna synthesis)

(02/21/11) Lecture by Kevin Ahern of Oregon State University discussing Biochemistry Basics in BB 451. See the full course at oregonstate.edu This course can be taken for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu Download Metabolic Melodies at www.davincipress.com Related courses include BB 350 - oregonstate.edu BB 450 - oregonstate.edu BB 100 - oregonstate.edu Transcription Highlights 1. Transcription is the process where RNA is made using DNA as a template. Students should ABSOLUTELY not mix up or misuse the terms DNA Replication, Transcription, and Translation. 2. RNA polymerization requires an enzyme called RNA polymerase. It can start a chain without a primer, incorporates nucleotides into a growing chain in the 5' to 3' direction using phosphodiester bonds, and uses ATP, GTP, CTP, and UTP as starting compounds. The product of RNA polymerization is called a transcript. 3. Cells have three main types of RNA - mRNA (carries message to be translated into protein), tRNA (carries amino acids to ribosomes for incorporation into protein), and rRNA (components of ribosomes). 4. In E. coli, all of the RNAs are made by a single polymerase, known as RNA Polymerase. Eukaryotic cells have three RNA polymerases - RNA Polymerase I (rRNAs), RNA Polymerase II (mRNAs and snRNAs), and RNA Polymerase III (tRNAs). 5. E. coli RNA Polymerase has five distinct polypeptide subunits - alpha, beta, beta prime, and sigma. 6. Footprinting is a ... Category: Education Length: 00:37:47.250 Tags: molecular biology .

 

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Protein synthesis (translation), part 1 of 7

Lecture by Kevin Ahern of Oregon State University discussing the synthesis (translation) of protein from mRNA in BB 350. This course can be taken for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu See the full course at oregonstate.edu Download Metabolic Melodies at www.davincipress.com Category: Education Length: 00:07:15.750 Tags: .

 

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Translation in sinthetis protein.flv

translation from mRNA to polyptide and protein. translocation mRNA from necleus to sitosol and entrace to ribosome. smal ribosome su unit add to mRNA with start codon AUG. TRNA withAUC anticodon charged with amino acid methionin. translation start form initiation, elongation, translocation and termination. stop codon terminating tanslation process Category: Education Length: 00:00:17.250 Tags: .

 

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Protein synthesis (translation), part 2 of 7

Lecture by Kevin Ahern of Oregon State University discussing the synthesis (translation) of protein from mRNA in BB 350. This course can be taken for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu See the full course at oregonstate.edu Download Metabolic Melodies at www.davincipress.com Category: Education Length: 00:11:01.500 Tags: .

 

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Translation

Translation in Eukaryotes. Category: Education Length: 00:01:48.750 Tags: .

 

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Protein synthesis animation

This animation shows the processes of transcription and translation of protein synthesis. A better quality version is available at www.americanbookcompany.com Category: Education Length: 00:01:02.250 Tags: .

 

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Protein synthesis, translation (2)

Protein Synthesis, Translation Translation - the process of converting the mRNA codon sequences into an amino acid polypeptide chain. 1. Initiation - A ribosome attatches to the mRNA and starts to code at the FMet codon (usualy AUG, sometimes GUG or UUG). 2. Elongation - tRNA brings the corresponding amino acid to each codon as the ribosome moves down the mRNA strand. 3. Termination - Reading of the final mRNA codon (aka the STOP codon), which ends the sythesis of the peptide chain and releases it. Category: Education Length: 00:00:24 Tags: Translation health .

 

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Transcription ii

This course is part of a series taught by Kevin Ahern at Oregon State University on General Biochemistry. For more information about online courses go to ecampus.oregonstate.edu for the rest of the courses see www.youtube.com 1. The factor involved in factor dependent transcription termination in E. coli is called rho. It binds to the 5' end of an RNA being made and (using ATP energy) "climbs" the RNA until it reaches the RNA polymerase. There it destabilizes the RNA/DNA duplex, favoring the release of the RNA polymerase from the DNA and the RNA from the DNA, as well. 2. In prokaryotes, tRNAs are the most altered (processed) RNAs. Modifications start with their being cleaved from a larger RNA containing both tRNAs and rRNAs. Ribonuclease P is a ribozyme (catalytic RNA) that cleaves the 5' end of tRNAs from the larger RNA. Ribonuclease III catalyzes excision of rRNAs from the larger molecule. 3. Eukaryotes and prokaryotes differ significantly in the relationship between transcription and translation. Prokaryotes have no nucleus. In them, translation starts oftentimes WHILE a message is being transcribed. There are no significant modifications to mRNAs in prokaryotes. 4. In eukaryotes, transcription and translation are spacially separated. Transcription occurs in the nucleus, whereas translation occurs in the cytoplasm. In addition, eukaryotic mRNAs are modified at the 5' end (capping), the 3' end (polyadenylation) and even in the middle (editing and splicing). 5 ... Category: Education Length: 00:38:00 Tags: osu ecampus online science biology .

 

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Dna transcription, translation, replication

Images, Music, & Animations DO NOT belong to me. They belong to their respectful owners! Citations at end of video. Fun school documentary all about DNA and it's 3 processes! Took about 10 hrs. to do! Category: Education Length: 00:06:03 Tags: .

 

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Biology: transcription and translation overview

www.mindbites.com for full video www.mindbites.com for a bundle of videos on transcription and translation or www.mindbites.com for a full set of videos on this in addition to a broader treatment of the ins and outs of molecular genetics. Or, if you're really needing broader help with Biology, check out the full Biology course (390+ videos) at www.mindbites.com To view all of the lessons on Biology that MindBites has to offer, head on over to our Biology Category Page: www.mindbites.com To understand transcription and translation, Professor Wolfe states that you must first understand the "central dogma" that DNA makes RNA and RNA makes proteins. But how is this infromation communicated? Through transcription, which is the process where DNA information is coded into RNA, and translation which is the process of converting the mRNA molecule by ribosome into polypeptide strand. This process happens in both prokaryotic and eukaryotic cells, but in Eukaryotic cells translation takes place outside of the nucleus. Professor Wolfe also discusses the three different types of RNA, mRNA, tRNA, and rRNA. He explains rRNA and how is used to help translate the mRNA. This lesson is perfect for review for a CLEP test, mid-term, final, summer school, or personal growth! Taught by Professor George Wolfe, this lesson was selected from a broader, comprehensive course, Biology. This course and others are available from Thinkwell, Inc. The full course can be found at www.thinkwell.com The full ... Category: Education Length: 00:02:09.750 Tags: transcription translation .

 

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Translation.mov

A brief animation of the high school version of mRNA translation. Category: Education Length: 00:01:45 Tags: .

 

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Protein synthesis, translation (3)

Protein Synthesis, Translation Translation - the process of converting the mRNA codon sequences into an amino acid polypeptide chain. 1. Initiation - A ribosome attatches to the mRNA and starts to code at the FMet codon (usualy AUG, sometimes GUG or UUG). 2. Elongation - tRNA brings the corresponding amino acid to each codon as the ribosome moves down the mRNA strand. 3. Termination - Reading of the final mRNA codon (aka the STOP codon), which ends the sythesis of the peptide chain and releases it. Category: Education Length: 00:01:01.500 Tags: Translation health .

 

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Translation dna with a song

LYRICS Hi. I'm Soyeon who is a junior taking Biology class. This is a biology project for explaining DNA translation through a song + stop motion. Take note that this is only second half of DNA replication. Excuse my bad vocal. Translation begins when mRNA sticks to ribosome. The Clover shaped RNA are called tRNA Anti codon of tRNA matches a codon of mRNA So, amino acids you are getting long; Peptide bond is formed between amino acids This enters the stage of an elongation Ribosome releases used transferRNA So, amino acids, you are getting long; When a STOP codon is reached, polypeptide is released? Coz ribosome can pick up a new strand of mRNA I think this explain translation or so I believe So, amino acids, you are getting long; Inspired by Jon Cozart. Category: Entertainment Length: 00:00:50.250 Tags: Song .

 

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Protein synthesis claymation

I know the animation and photo quality aren't all that great, but it took a while. I made it with JPEG video, a stop motion animation program and I edited it in Windows Movie Maker. It is 15 frames per second and 341 pictures. This video shows transcription of DNA to RNA and translation of RNA to a polypeptide. Here is a slightly more detailed explanation of what is happening because a few things had to be cut: The DNA polymerase (not shown in movie) unzips the DNA. Then the RNA forms, by matching each guanine (G) of the DNA to RNA's cytosine (C) and vice versa; and matching each thymine (T) to adenine (A); and each A to uracil (U). In the movie, T is red, C is brown, G is blue, A is yellow, and U is green. The movie doesn't show this, but the RNA is made by matching each nucleotide one at a time, instead of coming in fully formed as the movie depicts. The enzyme called RNA polymerase is what catalyzes this process, but that also isn't shown in the movie. The DNA goes back together in helix form and the mRNA (messenger RNA, which was just made) moves to the ribosome, an organelle. The ribosome is made up of protein and RNA called rRNA (ribosomal RNA). This is where translation begins. Only two codons (a section of RNA with three nucleotides) can fit in the ribosome at a time. The tRNA (transfer RNA), which are the brown crosses with nucleotides, come into the ribosome. The nucleotides on the bottom of the tRNA, called anti-codons, match the codons of the mRNA. Each tRNA ... Category: Education Length: 00:00:19.500 Tags: .

 

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