When a Sperm Cell Comes into Contact with an Egg

question 198

Multiple Choice

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.

• A) open-gated
• B) voltage-gated
• C) chemical-gated
• D) ligand-gated
• E) nongated ion

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Definitions:

Maximum Average

A statistical measure aimed at finding the highest average level in a set of values or data points, commonly used in various fields of research and analysis.

Proof Of Age

is an official document or form of identification that verifies a person’s date of birth, often required for activities with age restrictions.

Oldest-Known

Descriptive term for the earliest recorded instance or example of something in history or archaeology.

Died

The cessation of all biological functions that sustain a living organism.