TLS Online TPP Program

#Question id: 2174


The major ATP-powered pump responsible for maintaining ion gradients across the plasma membrane of mammalian cells is:

#Unit 2. Cellular Organization
  1. the calmodulin-activated plasma membrane Ca2+ ATPase.

  2. the sarcoplasmic reticulum Ca2+ ATPase.

  3. the vacuolar F-class proton pump.

  4. the plasma-membrane Na+/K+ ATPase.