Eukaryotic Cells Are Substantially Larger Than Bacterial Cells and Average

question 4

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.

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