Movement through certain ion channels
A) is influenced by the presence of specific signal molecules.
B) is slow compared to transport by protein carriers.
C) requires the presence of ATP.
D) is always independent of the electrical potential difference across the membrane.
E) is non-selective for particular solutes.

Question

Quizplus · Accepted Answer

Ion channels can be gated by specific signal molecules, which influence their opening and closing.

Movement Through Certain Ion Channels