When a Sperm Cell Comes into Contact with an Egg

question 94

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

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

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Definitions:

Adoptees

Individuals who have been legally adopted by someone other than their biological parents.

Fertility Treatments

Medical interventions aimed at helping individuals or couples conceive, including IVF and hormone therapies.

Multiple Births

The delivery of more than one baby from the same pregnancy, such as twins or triplets.

Canalized Traits

Genetic characteristics that are not easily changed by environmental factors due to their strong genetic control.