Eukaryotic Cells Are Substantially Larger Than Bacterial Cells and Average

Multiple Choice

Eukaryotic cells are substantially larger than bacterial cells and average over 20 times more volume-per-surface-area than bacterial cells.How can the eukaryotic cell membrane provide this higher rate of exchange of materials?

A) Plasma membrane folds increase the surface area.
B) Carrier proteins speed the rate at which a solute crosses the plasma membrane in the direction of decreasing concentration.
C) Mitochondria are concentrated near membranes to provide energy for active transport of molecules or ions.
D) Large molecules are engulfed by vesicle formation.
E) All of the choices are correct.