Amino acids with the non polar aliphatic ‘R’ group are

Q. Amino acids with the non polar aliphatic ‘R’ group are

A.            Glycine, alanine, leucin

B.            Serine, threonine, cysteine

C.            Lysine, arginine, histidine

D.            Phenylalanine, tyrosine and tryptophan

Answer: Glycine, alanine, leucin