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Question
Biology
Which one of the following is necessary to start clotting of blood?
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Q. Which one of the following is necessary to start clotting of blood?
Rajasthan PMT
Rajasthan PMT 2003
A
heparin
B
serotonin
C
thromboplastin and $ Ca^{++} $
D
fibrinogen and prothrombin
Solution:
Thrombin facilitates the formation of the enzyme prothrombinase which converts prothrombin into thrombin.