Biology 9700 · AS & A Level · Replication and division of nuclei and cells

Replication and division of nuclei and cells — practice question

Which statement about cell and nuclear division is correct?

  • AHaploid eukaryotes can reproduce by mitosis whereas diploid eukaryotes can reproduce by mitosis or meiosis.
  • BJust before prophase, the mass of DNA is double the normal mass. Following anaphase, this mass is reduced by half and following cytokinesis this mass halves again.
  • CMutagens can cause mutations whereas carcinogens can cause cancer. This means that all mutagens are carcinogenic.
  • DSome of the roles of mitosis are growth, asexual reproduction, cell repair following tissue damage and cell replacement.

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