Transport __________ mediate both active and passive transport.
A) polysaccharides
B) proteins
C) lipids
D) hopanoids
E) sterols

Question

Quizplus · Accepted Answer

Proteins, such as transporters and channels, are responsible for facilitating the movement of molecules across membranes through both active and passive transport. Polysaccharides, lipids, hopanoids, and sterols do not have a direct role in transport across membranes.

Transport __________ Mediate Both Active and Passive Transport