Multiple choice

Which of the following is NOT a hormone?

  1. Calcitonin

  2. Melatonin

  3. Myosin

  4. Vasopressin

  5. Thyroxine

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

Myosin is a principal contractile proteins found in muscle which forms thick filaments in myofibrils of muscle fibers.