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 close. These channels would be called ________ channels.

Question

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The channels described are voltage-gated channels, which close or open in response to changes in the electrical charge across the plasma membrane. This is what happens when a sperm cell contacts an egg cell, leading to changes in the membrane potential.

When a Sperm Cell Comes into Contact with an Egg