TLS Online TPP Program

#Question id: 5677


During acrosome reaction, after binding with the egg many sperm membrane proteins are activated. Which of the following membrane protein is not activated?

#Unit 5. Developmental Biology
  1. A calcium transport channel that allows Ca2+ to enter the sperm head.

  2. a sodium-hydrogen exchanger that pumps sodium ions (Na+) into the sperm as it pumps hydrogen ions (H+) out.

  3. a phospholipase enzyme that activate IP3 pathway.

  4. a potassium-hydrogen exchanger that pumps potassium ions (k+) into the sperm as it pumps hydrogen ions (H+) out.