A transport protein in the plasma membrane of animal cell that actively transports sodium out of the cell and potassium into the cell.Group of answer choicessodium-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 channelgated channelsodium-potassium pumpproton pump

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

.How do potassium ions primarily enter animal cells?a.Active transport by sodium-potassium pumpb.Passive diffusion through the lipid bilayerc.Facilitated diffusion through channel proteins