Amino acids which are specified by single codons are
A. phenylalanine and arginine
B. tryptophan and methionine
C. valine and proline
D. methionine and aroinine.
Answer:B
Amino acids which are specified by single codons are
A. phenylalanine and arginine B. tryptophan and methionine C. valine and proline D. methionine and aroinine.