A-LevelBiologyThe mitotic cell cycleFeb/Mar 2022Paper 1 Q201 Mark
The protein p53 is produced in a cell in response to DNA damage. This protein stops the cell cycle for a short time just before the DNA is replicated, so that the DNA can be repaired. At which phase of the cell cycle will this stop occur?
AM
BG1
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The correct answer is B. 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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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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