The answer is <span>B. fibrin.
Through the process of elimination: thrombin and thromboplastin are enzymes so these choices are incorrect. Platelets are actually cells, which leaves us B. fibrin as the correct choice.
</span>A fibrinogen is a protein involved in the formation of blood clot. It is converted by enzyme thrombin into fibrin during blood clot formation.
What r u replacing it with, is it clean..ect
That is known as a tumor. Or cancer
It means that the hypothesis has failed to be proven wrong.
Answer:increases the number of bases in the sequence
Explanation: