Cellular and Molecular Biology

Free Version

Upgrade subject to access all content

Difficult

Membrane Transport: Passive Transport Energetics

CELLS-4RRKOJ

Uncharged molecules are routinely transported across cell membranes.

When transporting uncharged molecules across the membrane, which of the following is/are FALSE?

A

Gibbs free energy change ($ΔG$) is not dependent upon the concentration gradient.

B

The equilibrium constant ($K_{eq}$) is always equal to one.

C

Gibbs free energy change under standard conditions ($ΔG°$) is always equal to zero.

D

Choices 'A' and 'B'.