Active transport involves all of the following EXCEPT???

Question

a. slow movement through the lipid bilayer of a membrane.

b. pumping of solutes across the membrane.

c. hydrolysis of ATP.

d. transport of solute against a concentration gradient.

e. a specific transport protein in the membrane.

Answer 1

a

Answer 2

hmm I would say...A.)

Answer 3

a. slow movement through the lipid bilayer of a membrane.