Biology question?

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Explain why methionine is the first amino acid in every growing polypeptide

2007-04-26 10:18:56 · 2 answers · asked by I_NEED_HELP112211 1 in Science & Mathematics ➔ Biology

2 answers

Methionine is called for by the start codon which is AUG. mRNA always starts with AUG.

2007-04-26 10:26:00 · answer #1 · answered by ecolink 7 · 0⤊ 0⤋

In growing peptides (called polypeptides), there's a starting sequence needed referred to a START CODON. This is what the tRNA (transfer) added new codons to during this (Elongation) process!

2007-04-26 11:53:22 · answer #2 · answered by crusfornixus 3 · 0⤊ 0⤋