By which of the following can movement of materials across animal cell membranes be
accomplished?
I Active transport, II Diffusion, III Pinocytosis
(A) I only
(B) II only
(C) I and II only
(D) All I, II, and III
accomplished?
I Active transport, II Diffusion, III Pinocytosis
(A) I only
(B) II only
(C) I and II only
(D) All I, II, and III