A-LevelBiologyThe mitotic cell cycleOct/Nov 2023Paper 1 Q181 Mark
A human embryo consists of 12 cells at the start of day 1. The cells divide by mitosis for 4 complete days at a rate of 1 division every 32 hours. What is the maximum number of cells in the embryo at the end of day 4?
A48 cells
B96 cells
C192 cells
D384 cells
✓ Correct Answer
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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