Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Biomolecules

Question:

Among the following, which is a non-essential amino acid?

Options:

Arginine

Lysine

Tyrosine

Histidine

Correct Answer:

Tyrosine

Explanation:

The correct answer is Option (3) → Tyrosine

Tyrosine is a non-essential amino acid because it can be synthesized in the body from phenylalanine.

  • Lysine – essential
  • Histidine – essential
  • Arginine – semi-essential (especially in growing children)