Lactose intolerance is caused by the lack of the enzyme lactase, which is normally found in the
A. lumen of the stomach.
B. inside of cells of the liver and gall bladder.
C. membranes of cells in the small intestine.
D. inside of cells in the large intestine.
E. endothelium of capillaries in the large intestine.
C
You might also like to view...
What will happen if a normal cell is placed in a hyperosmotic solution?
A. It will stay the same size. B. It will swell in size. C. It may swell, shrink, or stay the same size, depending upon the concentration of penetrating and nonpenetrating solutes in the solution. D. It will shrink in size.
Proteins are composed of units called
A) amino acids. B) simple sugars. C) fatty acids. D) adenosines. E) nucleotides.
Which of the following accessory organs stores bile?
a) Teeth b) Salivary glands c) Liver d) Gallbladder e) Pharynx
The common pathway in coagulation ends with __________.
a) release of PF-3 b) adhesion of platelets to a damaged vessel wall c) positive feedback of thrombin formation d) conversion of soluble fibrinogen to insoluble fibrin