NEET Biology question

Which of the following prevents the conversion of prothrombin to thrombin in an undamaged blood vessel?

(A)HeparinCorrect
(B)Calcium ions
(C)Thromboplastin
(D)Fibrinogen

Answer: (A)

Solution

Heparin, present in the blood and released by basophils/mast cells, acts as a natural anticoagulant that prevents the conversion of prothrombin to thrombin, so that blood does not clot

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Question ID VK-110854