Multiple choice

In the process of blood clotting, the threads formed are made up of:

  1. thrombin

  2. fibrin

  3. fibrinogen

  4. serine proteases
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fibrin (also called Factor Ia) is a fibrous protein, involved in the clotting of blood, and is non-globular. It is a fibrillar protein, that is polymerised to form a mesh, that forms a hemostatic plug or clot (in conjunction with platelets) over a wound site. Fibrin is involved in the following biological processes: signal transduction, blood coagulation, platelet activation and protein polymerization.

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