Regulation of Cell Cycle

AP Biology· difficulty 2/5

In a culture dish, normal cells stop dividing when they form a monolayer. This is called

  • A

    Apoptosis (programmed cell death)

  • B

    Density-dependent inhibition (contact inhibition)

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  • C

    Anchorage dependence (attachment-required division)

  • D

    Cytokinesis (cytoplasmic division)

Explanation

Cell-cell contacts arrest the cell cycle; cancer cells lose this and pile up in multiple layers.

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