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Which of the following is a characteristic of a normal cell?

  • A.Anchorage independent
  • B.Continuous cell lines
  • C.Dependent on external growth factor
  • D.No contact inhibition

Answer: C

Correct answer: Dependent on external growth factor

A normal cell is dependent on growth factors supplied from outside, and also anchorage dependent and subject to contact inhibition, dividing a finite number of times. The other three options describe transformed cells, which have escaped all those controls - which is precisely what makes them cancerous.

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