All of AQA GCSE Biology (9-1) - Paper 1
What are the two types of microscopes? - Light Microscope Electron Microscope What is the magnifying power of a light microscope? - x 2,000 What is the magnifying power of an electron microscope? - x 2,000,000 What is the resolving power? - The ability to distinguish between two separate points What is the resolving power of light microscopes? - 200 nm What is the resolving power of electron microscopes? - 0.2 nm What are the advantages of light microscopes? - 1. living samples 2. can view samples in colour What are the disadvantages of electron microscopes? - 1. dead samples 2. samples in black and white What can they do with electron microscopes to make them coloured? - Dye them or colour them in How do you work out magnification? - Image size / Object size
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all of aqa gcse biology 9 1 paper 1