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9 December, 17:54

The first amino acid of a new polypeptide chain is a. cysteine. b. methionine. c. variable. d. phenylalanine. e. AUG.

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  1. 9 December, 19:09
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    Answer is B. Methionine

    Explanation:

    During Translation the ribosome binds to the start codon which is AUG. AUG codes for the Methionine. AUG is the START codon and the first place on the transcribed mRNA from where the translation starts. Hence, AUG is the initiation site for the translation. AUG is the only codon which codes for the methionine amino acid hence this is the correct answer.
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