Multiple choice

Aliphatic amino acids do not like to be in contact with water molecules in an aqueous solution. Among the following, _________ is an aliphatic amino acid.

  1. phenylalanine

  2. isoleucine

  3. tyrosine

  4. tryptophan

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Isoleucine is similar to leucine and valine except that the orientation of the atoms in the sidechain is slightly different. Isoleucine also has two centres of asymmetry.It is an aliphatic amino acid.