Which list contains only essential amino acids?
A) aspartic acid, alanine, proline
B) methionine, tryptophan, valine
C) glycine, serine, arginine
D) tyrosine, cysteine, alanine
E) arginine, glutamic acid, glutamine

Question

Quizplus · Accepted Answer

Methionine, tryptophan, and valine are essential amino acids because the body cannot synthesize them and they must be obtained from the diet. The other answer choices either contain non-essential amino acids or a mixture of essential and non-essential amino acids.

Which List Contains Only Essential Amino Acids