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Translation: from mRNA to polypeptide

The ribosome binds to the mRNA at the start codon (AUG) that is recognized only by the initiator tRNA. The ribosome proceeds to the elongation phase of protein synthesis. During this stage, complexes, composed of an amino acid linked to tRNA, sequentially bind to the appropriate codon in mRNA by forming complementary base pairs with the tRNA anticodon. The ribosome moves from codon to codon along the mRNA. Amino acids are added one by one, translated into polypeptide. At the end, a release factor binds to the stop codon, terminating translation and releasing the complete polypeptide from the ribosome.

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Channels: Scientific Animations Biochemistry Molecular Biology

Tags: Translation polypeptide tRNA ribosome

Uploaded by: ( Send Message ) on 15-05-2007. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 1m 54s

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