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A-LevelBiologyCell structure9700/12 · Oct/Nov 2019 · Q21 Mark

The diameter of living cells varies considerably. The diameter of a typical eukaryotic cell is 1.5 × 10¹ μm. The diameter of a typical prokaryotic cell is 7.5 × 10² nm. Using these measurements, what is the maximum number of each cell type which could fit along a line 1 cm long? number of white blood cells | number of Streptococcus cells

A6.7 x 10⁴ | 1.3 x 10²
B6.7 x 10³ | 1.3 x 10⁵
C6.7 x 10² | 1.3 x 10⁴
D6.7 x 10¹ | 1.3 x 10³

✓ Correct answer

C: 6.7 x 10² | 1.3 x 10⁴

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About this question

Topic
Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Oct/Nov 2019 Paper 1 Variant 2, question 2.

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