Ion Pumps Differ from Ion Channels in That

question 1

Multiple Choice

 Ion pumps differ from ion channels in that

• A) they allow different types of ions to cross the neural membrane.
• B) pumps respond to ligands and drugs, whereas channels respond to the electrical environment in their immediate vicinity.
• C) channels require energy to operate, whereas pumps do not.
• D) pumps require energy to function, whereas channels do not.

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