Q.For most animals, digestion of food occurs:
a. in the cytoplasm of intestinal mucosal cells. b. in the oralcavity.
c. in the coelomic body cavity.
d. in the lumen of the digestive tract.
e. in the crop.
Q. The primary effects of glucagon include:
a. stimulating glucose uptake into cells.
b. stimulating muscle cells to synthesize glycogen.
c. controlling blood glucose in the absence of insulin.
d. stimulating cells to store energy as fat.
e. all of the above.
Q.How does sodium co-transport facilitate glucoseabsorption?
a. active transport of sodium aids in salt uptake.
b. when sodium diffuses into cells, the carrier also binds aglucose molecule.
c. when sodium is pumped into cells, glucose moves out of thecells.
d. sodium and glucose both diffuse into cells from the lumen of thegut.
e. glucose is actively transported into the gut.
