Answer:
The correct answer would be thrombin.
The last step in the blood clotting is the formation of a fibrin clot.
Thrombin is the serine protease (protein) enzyme which activates fibrin.
It converts the soluble fibrinogen into the insoluble fibrin which then results in the blood coagulation.
<span> the answer is progesterone
hopes this helps
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The second one because there is no solute outside for the water to move towards. It will go inside and it may explode
They are very hard to understand so just stop making them