A Key Response in an Egg to a Signal from an Entering

question 225

Multiple Choice

A key response in an egg to a signal from an entering sperm is

• A) the activation of nitric oxide.
• B) differential gene expression.
• C) the opening of ion channels.
• D) smooth muscle contraction.
• E) enzyme inhibition by phosphorylation.

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Definitions:

X-linked Color-blindness

A genetic condition affecting the ability to see colors correctly, passed down through genes located on the X chromosome.

Colorblind

A condition where a person is unable to distinguish certain colors, typically due to the absence or malfunction of certain color-detecting cells in the eye.

Probability

A measure of the likelihood that an event will occur, often quantified as a number between 0 and 1.

Immune System

A complex network of cells, tissues, and organs that work together to defend the body against pathogens and diseases.