Regulation of Cell Cycle

AP Biology· difficulty 2/5

Most normal animal cells will divide only when attached to a surface or extracellular matrix. This is called

  • A

    Density-dependent inhibition

  • B

    Receptor-mediated endocytosis

  • C

    Replicative senescence

  • D

    Anchorage dependence

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Explanation

Normal cells require integrin-based attachment signals; cancer cells often grow without anchorage.

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