Question

What is prothrombin?a.​A protein needed for bone formation b.​A protein that decreases the “stickiness” of red blood cells c.​A protein needed for blood clot formation d.​A storage protein for vitamin K e.​A transport protein for vitamin E

Answer 1

​A protein needed for blood clot formation.

Step-by-step explanation:

Prothrombin may be defined as the protein that changes in to the thrombin during the process of blood coagulation with the help of clotting factor X.

The main function of the prothrombin protein is the coagulation of blood. This protein is responsible for blood clotting at the time of external and internal injury.

Thus, the correct answer is option (c).