Facilitated diffusion of a molecule into a cell would be more rapid if
A)the concentration of the molecule in the cell increased.
B)the concentration of water in the cell decreased.
C)the concentration of the molecule outside the cell increased.
D)the cell was isotonic.

Question

Quizplus · Accepted Answer

Facilitated diffusion relies on the concentration gradient of a molecule. Therefore, the more concentrated the molecule is outside the cell, the faster it will diffuse into the cell. The other choices are not relevant to facilitated diffusion.

Facilitated Diffusion of a Molecule into a Cell Would Be