Help with BIO revision (OCR - AS) - a few questions

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username2199397
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My textbook is so annoying. E.G. fo light microscopes it talks about mounting before explaining the preparation of slides. shouldn't it be the other way around when I make notes about preparing for light microscopy??

How do you know what to revise, the spec is soo vague and the book has too much stuff, so I dont know what I need to know/dont need to know?

Do you need to know the labelled diagrams for the microscopes? e.g. stage, eyepiece

Do you need to know exactly how light micrscopes works?

Do you need to know about cell theory? - mentioned on first page

Last question: I don't get what the spec means by: "The use of microscopy to investigate different types of cells and cell structure in a range of eukaryotic cells"

My textbook says: "by making visible the individual cells which make up a multicellular oganism, microscopes allow us to investigate details of how their cell structure relate to their function"

Can you explain it with the textbook or combine the two together to get an easier explanation

Thank you! Sorry for all the questions, I just really confused
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username2199397
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bump
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username2199397
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PLease help
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??
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