Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

The signal to start translation is the initiator codon, usually AUG, the codon for
Options
A tyrosine
B leucine
C methionine
Correct Answer
D initiator proteins
Correct Answer

Option C is the correct answer.

Detailed Explanation

The start codon AUG codes for the amino acid methionine. In eukaryotes, this is the first amino acid incorporated into all proteins (though it is often removed later). In prokaryotes, a modified form (fMet) is used.

Hint

Which amino acid is almost always the first one at the N-terminus of a new polypeptide?

Question Info