Microscopy (4.1.1.5) | AQA GCSE Biology - Higher Tier - (8461) | KnowledgeSet

Microscopy

Biology (Separate Science) · GCSE · AQA · AQA GCSE Biology - Higher Tier - (8461) · Specification point · 4.1.1.5 · Cell biology · Cell structure

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4.1.1.5 Microscopy

Content	Key opportunities for skills development
$Students should be able to: • understand how microscopy techniques have developed over time • explain how electron microscopy has increased understanding of sub-cellular structures. Limited to the differences in magnification and resolution. An electron microscope has much higher magnification and resolving power than a light microscope. This means that it can be used to study cells in much finer detail. This has enabled biologists to see and understand many more sub-cellular structures.$	$WS 1.1$
$\text{magnification} = \frac{\text{size of image}}{\text{size of real object}}$

Content

Key opportunities for skills development

Students should be able to: • understand how microscopy techniques have developed over time • explain how electron microscopy has increased understanding of sub-cellular structures. Limited to the differences in magnification and resolution. An electron microscope has much higher magnification and resolving power than a light microscope. This means that it can be used to study cells in much finer detail. This has enabled biologists to see and understand many more sub-cellular structures.

WS 1.1

\text{magnification} = \frac{\text{size of image}}{\text{size of real object}}