In the blood clotting cascade mechanism, which specific enzyme catalyzes the conversion of fibrinogen to fibrin?  

A.  renin
B.  thrombin
C.  albumin
D.  angiotensin
E.  catalase


B.  thrombin

Biology & Microbiology

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When subtropical forest is cleared, which biome is most likely to replace it?

a. grassland suitable for grazing b. cropland ideal for agriculture c. young forest with the same species d. desert with poor, eroded soil e. chaparral with grass and low bushes

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Drugs that kill or inhibit bacteria are known as ________

Fill in the blank(s) with correct word

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Which of these conditions is NOT among the requirements of the Hardy-Weinberg equilibrium?

A. small population B. no selection of one phenotype over another C. no net migration of alleles into or out of the population D. no net mutations E. random mating population

Biology & Microbiology

Clinical significance of plasmids

What will be an ideal response?

Biology & Microbiology