Question

Question 2 of 10

Which statement best describes the movement of materials across a cell
membrane using active transport?
OA. They move back and forth to keep both concentrations at zero.
OB. They move from an area of higher concentration to an area of
lower concentration.
OC. They move back and forth randomly between areas of different
concentrations.
OD. They move from an area of lower concentration to an area of
higher concentration.

Answer 1

D bc active transport is basically the opposite of osmosis and diffusion