Table shows information about four microscopes, W, X, Y and Z.
Table: Maximum magnification and resolving power of four microscopes
| Microscope | Type | Maximum magnification | Resolving power / nanometres |
|---|---|---|---|
| W | light | ×40 | 200 |
| X | light | ×1500 | 200 |
| Y | electron | ×500 000 | 0.5 |
| Z | electron | ×2 000 000 | 0.2 |
A ribosome is about 20 nanometres across.
Give the letter of one microscope in Table that could be used to see a ribosome. Explain your choice.
Microscope X has a magnification of ×1500\times 1500×1500 . Explain why microscope X still cannot be used to see a ribosome.
163 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.