When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across the plasma membrane and various channel proteins sle channels would be called A) nongated ion channels. B) open-gated channels. C) voltage-gated channels. D) ligand-gated channels. E) chemical-gated channels.
Explanation: Ion channels are membrane proteins that form aqueous pores through the lipid bilayer through which ions pass between the extracellular and intracellular medium.
