Suppose That, at the G₁-To-S Checkpoint, One of the Cyclins

question 8

Multiple Choice

Suppose that, at the G₁-to-S checkpoint, one of the cyclins has reached a concentration great enough to complex with one of the CDKs to initiate DNA synthesis. Which cyclin and which CDK are the ones most likely involved?

• A) cyclin G₁/S and CDK2
• B) cyclin G₁/S and CDK1
• C) cyclin S and CDK2
• D) cyclin S and CDK1

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Definitions:

Absolute Threshold

the minimum intensity of stimulation required to be detected 50% of the time.

Perceptual Adaptation

The ability of the body to adjust to an environment by filtering distractions.

Audition

The sense or act of hearing, which is critical for communication, alertness, and social interactions.

Brightness

the perception of how luminous or radiant a light source appears to the eye, often influenced by its intensity and surroundings.