A transmembrane protein that allows a specific ion to diffuse across the membrane down its concentration or electrochemical gradient.Group of answer choicesglycoproteinproton pumpion channelperipheral proteinsodium-potassium pum

A transmembrane protein that allows a specific ion to diffuse across the membrane down its concentration or electrochemical gradient.Group of answer choicessodium-potassium pumpglycoproteinperipheral proteinion channelproton pump

A transmembrane protein channel that opens or closes in response to a particular stimulus.Group of answer choicesglycoproteinintegral proteinsodium-potassium pumpion channelgated channelproton pump

An active transport protein in a cell membrane that uses ATP to transport hydrogen ions (H+) out of a cell against their concentration gradient, generating a membrane potential in the process.Group of answer choicesion channelsodium-potassium pumpgated channelproton pumpNext