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 choicesgated channelion channelproton pumpsodium-potassium pumpNext

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 choicesgated channelion channelproton pumpsodium-potassium pumpNext

A transmembrane protein that allows a specific ion to diffuse across the membrane down its concentration or electrochemical gradient.Group of answer choicesglycoproteinperipheral proteinproton pumpion channelsodium-potassium pumpNext

.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