The directions for each amino acid in a polypeptide are indicated by a codon that consists of ________ nucleotide(s) in an RNA molecule.
A) 4
B) 2
C) 3
D) 5
Answer: C
The directions for each amino acid in a polypeptide are indicated by a codon that consists of ________ nucleotide(s) in an RNA molecule.
A) 4
B) 2
C) 3
D) 5
Answer: C