Hydrophobic amino acid is: (A) Alanine, (B) Tyrosine, (C) Glycine, (D) Histidine
Answer is A. Amino acids having non-polar side chaindthese include Alanine,Valine,Leucine,Isoleucine,Methionine,Proline,Phenylalanine and Tryptophan.These groups are HYDROPHOBIC (waater repellant) and lipidophilic REFERENCE ; DM VASUDEVAN TEXTBOOK SEVENTH EDITION PAGE NO :26