Multiple Choice
Passive diffusion
A) is the process by which molecules move from an area of low concentration to an area of high concentration.
B) is a spontaneous process.
C) requires the presence of a transmembrane protein.
D) will occur so long as the membrane is freely permeable to the solute.
E) requires energy.
Correct Answer:

Verified
Correct Answer:
Verified
Q17: A pesticide has been found to have
Q18: A protein is tightly associated with the
Q19: Na<sup>+</sup> ion concentrations are higher outside the
Q20: Sodium concentrations are higher outside and glucose
Q21: How might a plant cell compensate for
Q23: The best descriptive comparison between hemidesmosomes and
Q24: The movement of sucrose and H<sup>+</sup> into
Q25: Gap junctions in animal cells are most
Q26: _ bind two or more ions or
Q27: Cellular membranes are mosaic and<br>A)fluid.<br>B)rigid.<br>C)symmetrical.<br>D)highly permeable to