Except for the stop codons, the codons in the genetic code specify which of the ____ amino acids will be added to a growing polypeptide chain.
A) 5
B) 64
C) 4
D) 20
E) 3

Question

Quizplus · Accepted Answer

The genetic code is composed of codons that specify the addition of one of 20 different amino acids to a growing polypeptide chain, except for the three stop codons that signal the end of protein synthesis.

Except for the Stop Codons, the Codons in the Genetic