A Group of Cells Is Assayed for DNA Content Immediately

question 21

Multiple Choice

A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 10 picograms of DNA per nucleus. Approximately how many picograms of DNA would be found in a nucleus at prophase of mitosis?

• A) 5
• B) 10
• C) 20
• D) 40

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Definitions:

Classical Conditioning

A method of learning that happens when an environmental trigger and an inherently occurring stimulus are linked, causing a reflex to be learned.

Desired Response

The specific outcome or behavior that an individual or experiment aims to achieve or elicit as a result of certain stimuli or interventions.

Reinforcement

A process in behavioral psychology by which the likelihood of a specific behavior is increased through a reward or decreased through a punishment.

Unconditioned Stimulus

In classical conditioning, it is any stimulus that naturally triggers a reflexive response without the need for prior learning.