Examlex
Viruses, chemical compounds in tobacco, and ultraviolet solar radiation that cause cancer are called _________.
Prothrombin
A protein present in blood plasma that is converted into active thrombin during coagulation, playing a key role in blood clotting.
Thrombin
A blood plasma enzyme that initiates blood clotting by converting fibrinogen into fibrin, crucial for stopping bleeding.
Blood Grouping
The classification of human blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells.
Antigens
Substances that are recognized by the immune system and elicit an immune response.
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