Multiple choice

Which among the following proteins is a protease of the blood clotting pathway in humans?

  1. Fibrin

  2. Prothrombin

  3. Factor XII

  4. Plasminogen

  5. Zymogen

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

Factor XII is a protease involved in initiating the intrinsic blood clotting pathway when it binds to abnormal or negatively charged surfaces revealed by damage to endothelial cells of blood vessels.