Which Statement About Cellular Aging Is TRUE

question 174

Multiple Choice

Which statement about cellular aging is TRUE?

• A) Cells can replicate indefinitely,but errors do occur.
• B) Aging may be caused by the inevitable loss of the ability of cells to duplicate perfectly.
• C) Damage is caused by free radicals that slow down the cell-duplication process.
• D) Cells from adults are able to duplicate more quickly and more times than are cells from embryos.

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Definitions:

Opponent Process Theory

A theory suggesting that emotions are regulated by mechanisms that operate in opposing pairs, such as fear-relief or pleasure-pain.

Addiction

A psychological and physiological reliance on a substance or activity, characterized by compulsive engagement despite adverse consequences.

Dishabituation

The renewal or increase in responsiveness to a stimulus following a period of habituation or decreased responsiveness.

Reward

A stimulus or event that follows a behavior and increases the likelihood of that behavior being repeated.