When a Nucleus of an Egg Cell Is Removed and Replaced

question 44

Multiple Choice

When a nucleus of an egg cell is removed and replaced with the DNA from an adult cell, which of the following has just occurred?

• A) DNA replacement
• B) Nuclear replacement
• C) Nuclear transplantation
• D) Hormonal replacement therapy

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Definitions:

All-or-none Response

A principle that states a neuron fires with the same potency each time, although frequency can vary; it either fires or doesn't.

Electrical Charge

A fundamental property of matter that is responsible for electrical phenomena, existing in a positive or negative form.

Threshold

The level of intensity that must be exceeded for a certain reaction, phenomenon, result, or condition to occur or be manifested.

Neurotransmitters

Chemical messengers in the brain that transmit signals from one neuron to another, influencing mental processes and behavior.