Multiple choice

Which of the following is necessary for transamination of amino acids?

  1. Vitamin A

  2. Vitamin C

  3. Niacin

  4. Vitamin B-6 (pyridoxine)

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

Pyridoxal phosphate (PLP), the active coenzyme form of vitamin B-6, is essential for transamination reactions that transfer amino groups to form nonessential amino acids. It also plays a key role in decarboxylation and other aspects of amino acid metabolism.