During blood clotting, the platelets release

During Blood Clotting The Platelets Release Biology Question

During blood clotting, the platelets release

Options

(a) thrombin
(b) fibrinogen
(c) prothrombin
(d) thrombokinase

Correct Answer:

thrombokinase

Explanation:

Thrombokinase is an enzyme secreted by the damaged tissues and blood platelets to convert a soluble protein in the blood stream, prothrombin into thrombin. Thrombin increases the rate of chemical reaction to form a network of insoluble fibrin, over the wound. When thrombokinase is released, it neutralizes the action of heparin (anticoagulant) so that clotting can effectively take place.

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Topics: Human Body Fluids and Excretory Products (197)
Subject: Biology (4253)

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