An exact copy of the first cell
Answer:Prothrombin is transformed into thrombin by a clotting factor known as factor X or prothrombinase; thrombin then acts to transform fibrinogen, also present in plasma, into fibrin, which, in combination with platelets from the blood, forms a clot (a process called coagulation).
Explanation:
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For many common cancers, such as breast cancer, bowel cancer and prostate cancer, radiation therapy is highly effective in reducing the risk of cancer recurrence after surgery or helping the surgery be more successful.
Approximately 1,000 to 30,000 years old
