Question

Sort the phrases into the appropriate bins depending on whether they describe exocytosis, endocytosis, or both.

a. decreases the surface area of the plasma membrane

b. requires fusion of vesicles with the plasma membrane

c. forms vesicles from inward folding of the plasma membrane

d. transported substances never physically cross the plasma membrane

e. increases the surface area of the plasma membrane

f. requires cellular energy

g. secretes large molecules out of the cell

Answer 1

a. decreases the surface area of the plasma membrane - Endocytosis

b. requires fusion of vesicles with the plasma membrane - Exocytosis

c. forms vesicles from inward folding of the plasma membrane - Endocytosis

d. transported substances never physically cross the plasma membrane - Both

e. increases the surface area of the plasma membrane - Exocytosis

f. requires cellular energy - Both

g. secretes large molecules out of the cell - Exocytosis