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A-LevelBiologyCell structure9700/12 · Oct/Nov 2020 · Q11 Mark

The size of the measles virus, Morbillivirus, is approximately 150 nm. The Mimivirus is approximately 4.5 times larger than Morbillivirus, whilst the Pandoravirus is approximately 1.5 times larger than the Mimivirus. Which viruses can be seen using a light microscope with a maximum resolution of 0.25 µm and using an electron microscope? key ✓ = can be seen X = cannot be seen [Figure 1.1]

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AMorbillivirus: ✓, Mimivirus: ✓, Pandoravirus: ✓
BMorbillivirus: X, Mimivirus: ✓, Pandoravirus: ✓
CMorbillivirus: X, Mimivirus: X, Pandoravirus: X
DMorbillivirus: ✓, Mimivirus: X, Pandoravirus: X

✓ Correct answer

B: Morbillivirus: X, Mimivirus: ✓, Pandoravirus: ✓

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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 2020 Paper 1 Variant 2, question 1.

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