mRNA Translation (Basic)

mRNA Translation (Basic)

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Originally created for DNA Interactive ( http://www.dnai.org ). TRANSCRIPT: When the RNA copy is complete, it snakes out into the outer part of the cell. Then in a dazzling display of choreography, all the components of a molecular machine lock together around the RNA to form a miniature factory called a ribosome. It translates the genetic information in the RNA into a string of amino acids that will become a protein. Special transfer molecules, the green triangles, bring each amino acid to the ribosome. The amino acids are the small red tips attached to the transfer molecules. There are different transfer molecules for each of the twenty amino acids. Each transfer molecule carries a three letter code that is matched with the RNA in the machine. Now we come to the heart of the process. Inside the ribosome, the RNA is pulled through like a tape. The code for each amino acid is read off, three letters at a time, and matched to three corresponding letters on the transfer molecules. When the right transfer molecule plugs in, the amino acid it carries is added to the growing protein chain. Again, you are watching this in real time. And after a few seconds the assembled protein starts to emerge from the ribosome. Ribosomes can make any kind of protein. It just depends what genetic message you feed in on the RNA. In this case, the end product is hemoglobin. The cells in our bone marrow churn out a hundred trillion molecules of it per second! And as a result, our muscles, brain and all the vital organs in our body receive the oxygen they need.

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mRNA Translation (Advanced)

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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 ( http://www.dnai.org ). TRANSCRIPT: The job of this mRNA is to carry the genes message from...

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Transcription is the process by which the information in DNA is copied into messenger RNA (mRNA) for protein production. Originally created for DNA Interactive ( http://www.dnai.org ). TRANSCRIPT: What you are about to see is DNA's most extraordinary secret — how a simple code is turned into...

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3D animation for my high school junior biology class

Translation

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http://www.garlandscience.com/product/isbn/9780815341055 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:...

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How DNA is Packaged (Advanced)

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Each chromosome consists of one continuous thread-like molecule of DNA coiled tightly around proteins, and contains a portion of the 6,400,000,000 basepairs (DNA building blocks) that make up your DNA. Originally created for DNA Interactive ( http://www.dnai.org ). TRANSCRIPT: In this animation...

Ribosomes

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RNA Animation

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RNA Animation visit my website for more medical animations and their downloads: http://rufusrajadurai.wetpaint.com/

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DNA packaging. Each chromosome consists of one continuous thread-like molecule of DNA coiled tightly around proteins, and contains a portion of the 6,400,000,000 basepairs (DNA building blocks) that make up your DNA. The way DNA is packaged into chromatin is a factor in how protein production is...

Transcription

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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...

Protein Synthesis by Translation of mRNA Animation

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Science Help at Brightstorm! http://brightstorm.com/science An introduction to the structure of RNA.

Ribosome (ER, mRNA Translation and Translocation)

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From DNA to Protein

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RNA Synthesis

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Replication, Transcription, and Translation

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The process of DNA replication, and protein synthesis through transcription and translation.

Lac Operon

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NDSU Virtual Cell Animations Project animation 'Lac Operon'. For more information please see http://vcell.ndsu.edu/animations The Lac Operon is an example of an inducible system of gene expression. Its default state is to be inactive. Only when the right catalyst is added to the system, in...

RNA Splicing

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http://www.garlandscience.com/product/isbn/9780815341055 This video describes the process of removing introns after RNA transcription. This video is from: Essential Cell Biology, 3rd Edition Alberts, Bray, Hopkin, Johnson, Lewis, Raff, Roberts, & Walter ISBN: 978-0-8153-4129-1