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2 marksCell Division and Variation

CAPE Biology Unit 1 · 2005 · Paper 2 · Question 7(b)(ii)

Nerve cells and heart muscle cells remain in interphase, while epidermal cells divide frequently. This question refers to the functions of mitotic cell division.

Suggest the effects that would occur if mitosis in skin epidermis were blocked.

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Other parts of this question

  1. 7(a)Describe the stages of mitosis and indicate clearly how this process ensures that EACH daughter nucleus receives a full set of chromosomes.[10 marks]
  2. 7(b)(i)Discuss why damage to the heart and the nervous system (for example, during a stroke) is dangerous.[2 marks]
  3. 7(c)Explain the degree of genetic variability that occurs among asexually reproducing organisms, self-fertilizing organisms and bisexual (male and female)…[6 marks]

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