A-LevelBiologyThe mitotic cell cycleMay/June 2014Paper 1 Q181 Mark
Which is the correct statement concerning cell and nuclear division?
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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The correct answer is A. This question tests the candidate's understanding of the mitotic cell cycle within the Biologysyllabus. The examiner's mark scheme requires...
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