Q151 / 200 · NEET 2021 · Zoology

Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?

  • Correct answer
    A
    Thrombin
  • B
    Renin
  • C
    Epinephrine
  • D
    Thrombokinase

Solution

Thrombin is a naturally occurring enzyme that converts fibrinogen into fibrin, which is an integral step in clot formation. In vivo thrombin is formed from prothrombin as a result of activation of both the intrinsic and extrinsic pathways of the coagulation cascade.

Hence, the correct answer is option: 'A'.

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