Question

Refer to the genetic code at the end of this exam (or your text book - or Google it) for this question. A portion of an mRNA attached to a ribosome reads: 5′ GACCAUUUUUGA 3′ If a tRNA with a histidine amino acid attached is in the P site of the ribosome translating this message, a tRNA with which amino acid attached will enter the A sit

Answer 1

Answer:

Phenylalanine.

Explanation:

The A site (aminoacyl) is the first binding site in the ribosome. In this case, in the exit site is GAC (Asparagine), next to it is CAU, for the Histidine referred in the question as reference, and then, in the A site you find UUU, that according to the genetic code translates in phenylalanine.