Multiple choice

Which of following amino acids is bitter in taste?

  1. Isoleucine

  2. Alanine

  3. Valine

  4. Lysine

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

Isoleucine is a branched-chain amino acid with a hydrophobic side chain, which gives it a bitter taste. The bitter taste in amino acids is associated with their nonpolar, aliphatic characteristics.