Question

Which process requires no energy from the cell?
a. endocytosis
b. active transport
c. exocytosis
d. facilitated diffusion

Answer 1

d

Answer 2

The solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. This process is called passive transport or facilitated diffusion, and does not require energy.

Answer 3

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