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Showing results 1 to 10 of 47
This protocol uses starch and amylase, contained within Visking tubing, to model the action of the gut. It includes both a simplified method, which demonstrates starch digestion and the production of ..
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words matched: membrane, permeable, selectively
Gives guidance on general fieldwork including specific measurements and techniques. Detailed guidance is included on measuring substances in the soil, water and air, and electronic measurements such a..
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words matched: membrane, permeable, selectively
A simple investigation, with clear procedural advice, on looking at how chemicals affect the cytoplasm of red onion epidermal cells.
words matched: membrane, permeable
This protocol provides an alternative to the classic model gut activity using Visking tubing. It uses the enzyme lactase to digest lactose, found in milk, into glucose.
words matched: membrane, permeable
A short overview of the common methods of water purification in school laboratories, include pros and cons. This will be useful for any teacher or technician looking to buy a new water purification sy..
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words matched: membrane, permeable
A diagrammatic guide on how to get started with enzymes, outlining the key actions with links to associated guidance.
words matched: membrane, permeable
Guidance and information on a range of chemicals, chemistry topics and apparatus including handling chemicals, chemical reactions, gas cylinders and syringes, molecular models, plastics, advanced chem..
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words matched: membrane, permeable
Guidance on general laboratory equipment including low voltage supplies, magnifiers, meters, micrometer screw gauges, microscopes, pumps, thermometers, timers, tubing and volume measurement.
words matched: membrane, permeable
To help students understand how cell membrane integrity is affected by the environment surrounding the cell. Beetroot membranes are a good model for investigating this because the pigments that diffus..
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words matched: membrane
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.
words matched: membrane
Showing results 1 to 10 of 47
