Q. Identify the amino acids containing nonpolar, aliphatic R groups
A. Phenylalanine, tyrosine, and tryptophan
B. Glycine, alanine, leucine
C. Lysine, arginine, histidine
D. Serine, threonine, cysteine
Answer: Glycine, alanine, leucine
A. Phenylalanine, tyrosine, and tryptophan
B. Glycine, alanine, leucine
C. Lysine, arginine, histidine
D. Serine, threonine, cysteine
Answer: Glycine, alanine, leucine