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One of a ribosome's three binding sites for tRNA during translation. This site in the ribosome holds the tRNA carrying the next amino acid to be added to the polypeptide chain.
one of a ribosome's three binding sites for tRNA during translation. It holds the tRNA carrying the growing polypeptide chain.
the first phase of transcription; RNA polymerase binds to DNA @ the promoter, and unwinds the double helix
addition of amino acids to the polypeptide chain; continues until it reaches a stop codon
many proteins need to be chemically modified and folded, some may need to be cut into segments or have parts removed
larger scale mutations, includes deletions, duplications, inversions and translocations
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