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Many Cells in Your Body Stop at the G1 Checkpoint

question 159

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Many cells in your body stop at the G1 checkpoint and never divide again.Some cells,like skin cells,will continue past the G1 checkpoint.What types of genes tell a skin cell to move on past the G1 checkpoint?


Definitions:

Internal Locus

A psychological concept referring to individuals who believe they have control over their life events and outcomes, as opposed to external forces.

External Locus

The belief that one's life events are largely controlled by external forces or fate rather than one's own efforts.

Hypothalamus

A small region of the brain's base that controls vital functions such as temperature regulation, thirst, hunger, sleep, and emotional activity.

Endocrine Glands

Glands of the endocrine system that release hormones directly into the bloodstream, regulating various bodily functions.

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