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Topic 1: Key concepts in biology

Quick questions on Specialised cells, microscopy and magnification - Edexcel GCSE Biology

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State one advantage and one disadvantage of an electron microscope compared with a light microscope. [2 marks]
What is q2?
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An image is 45 mm45\ mm wide at a magnification of ×900\times 900. Calculate the real width in micrometres. [2 marks]

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