What catalyzes the conversion of fibrinogen to fibrin?

What catalyzes the conversion of fibrinogen to fibrin?
 a. Prothrombin
  b. Calcium
  c. Thrombin
  d. Coagulatin

Q. 2

What catabolic pathway takes place in the liver to produce glucose under relatively anaerobic conditions?
 a. Cori cycle
  b. Citric acid cycle
  c. Glycolysis
  d. Electron transport

Q. 3

Adequate amounts of which vitamin are necessary in order for the water-insoluble protein that forms a web-like clot to halt bleeding?
 a. D
  b. A
  c. K
  d. E

Q. 4

In glycogenolysis, the liver breaks down _____ in order to be able to release _____ into the blood.
 a. proteins, glucose
  b. glucose, ATP
  c. glycogen, glucose
  d. fatty acids, glycerol

Q. 5

What happens when vitamin K is in short supply?
 a. There is insufficient absorption of calcium from the intestines.
  b. There is little or no conversion of cis-retinal to trans-retinal.
  c. There is little or no synthesis of cholesterol.
  d. There is little or no clotting of blood.

Q. 6

The availability of _____ determines whether pyruvate is converted to acetyl-CoA or lactate.
 a. oxygen
  b. lactase
  c. acetate
  d. water