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1.1 Cell structure

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Question 67
F

Table shows information about four microscopes, W, X, Y and Z.

Table: Maximum magnification and resolving power of four microscopes

MicroscopeTypeMaximum magnificationResolving power / nanometres
Wlight×40200
Xlight×1500200
Yelectron×500 0000.5
Zelectron×2 000 0000.2

A ribosome is about 20 nanometres across.

a.

Give the letter of one microscope in Table that could be used to see a ribosome. Explain your choice.

[2]
b.

Microscope X has a magnification of ×1500\times 1500×1500 . Explain why microscope X still cannot be used to see a ribosome.

[2]
Markscheme

1.1 Cell structure Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cell structure

282 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.

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