Cancers Are Groups of Cells That Divide Rapidly and Uncontrollably

question 18

Multiple Choice

Cancers are groups of cells that divide rapidly and uncontrollably. Thus cancer cells

• A)are always in the G₀ phase.
• B)never enter the cell cycle.
• C)have a relatively short G₁ phase and ignore the G₁ and G₂ checkpoints.
• D)are stuck at the metaphase plate.

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Definitions:

Pitch

The perceived frequency of a sound, determining how high or low it seems.

Hertz

The unit of frequency in the International System of Units (SI), defined as one cycle per second.

Loudness

A perceptual attribute of sounds that indicates the intensity or volume, as perceived by the ear.

Decibels

A unit used to measure the intensity of sound, with higher decibels indicating louder sounds.