Which statement is correct regarding the function of thrombin?
a) It activates directly prothrombin activator
b) It is a cyclo-oxygenase that uses arachidonic acid as a substrate
c) It stimulates the hepatic production of prothrombin
d) It is responsible for converting fibrinogen to fibrin
e) It is responsible for inactivating platelets in order to dissolve platelet aggregates
