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Illustrated guidance on preparing bacterial slides and then gram staining them to discern gram positive and gram negative examples.
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Clear, illustrated guidance on how to teach students to use a microscope effectively; up to x100 magnification.
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A zip file containing a Powerpoint presentation to guide the practical activities in PP035, a noise meter which illustrates the level of noise produced by a range of activities and devices; and a list.. more
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Guidance on buying microscopes for use by students up to GCSE and at A Level.
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Make-it guide: standard test source for checking a GM counting system
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A safe and effective method for preparing and staining root tips to show chromosomes during stages of mitosis.
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- From the Director (the importance of practical work)- Return to school September 2020 guidance- Keeping your membership up to date- Alternatives to cheek cells- Food tests- Chemical store poster (go.. more
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This document explores the advantages and disadvantages of three methods of looking at stomata, including direct observation with a microscope, epidermal peels and nail varnish imprints.
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Instructions on how to fit a plastic eyepiece graticule & calibrate using a DIY stage micrometer. 
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Members only resource Click to download Document.
An updated procedure to safely look at human cheek cells under the microscope. Includes information on both health and safety and disposal, as well as some suggestions for more detailed work.
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Showing results 1 to 10 of 97
1 234