Which Amino Acid Always Begins a Polypeptide (Protein) During Translation

Question

Which amino acid always begins a polypeptide (protein) during translation?
A) valine
B) phenylalanine
C) methionine
D) arginine

Accepted Answer

Methionine always serves as the starting amino acid during translation. It is coded by the start codon AUG, which is located at the beginning of most mRNA molecules.