In cells that are constantly involved in secretion, an equivalent amount of membrane must be returned
to the interior of the cell for each vesicle that fuses with the plasma membrane; if this does not occur,
then what would happen?
a. The ratio of cell surface would decrease, compared to cell volume.
b. The cell surface would shrivel.
c. The surface area would remain constant.
d. The number of membrane receptor proteins would decrease.
e. The cell surface will keep expand
E
You might also like to view...
The Proteobacteria group contains:
A. bacteria species with similar rRNA sequences. B. anoxygenic photosynthetic bacteria. C. E. coli and salmonella. D. nitrogen-fixing bacteria. E. All of these answer options are correct.
The immune system normally discriminates between ________ antigens.
A. primary and secondary response B. B and T cells C. self and nonself D. humoral and cell-mediated
In the water cycle approximately what percent of water evaporates from the surfaces of plant leaves?
a. 10 b. 22 c. 48 d. 70 e. 90
In E. coli, genes make up ______ of the DNA.
A) less than 5% B) at least 10% C) at least 50% D) at least 90% E) 100%