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A straightforward and commonly-used practical activity
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Describes a range of common carnivorous plants and how to successfully grow and keep them.
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This guide outlines how to obtain, prepare and dissect owl pellets.
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Safely handling a range of sugars, starch and cellulose in practical activities.
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Describes an alternative, yet simple, GCSE practical activity which models enzymes working in the gut, using milk and lactase. Uses commonly-available glucose testing strips to determine the course of..
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This protocol explores the effects of different carbohydrase enzymes on a range of carbohydrates of varying molecular size by measuring the resulting concentrations of reducing sugars using a colorime..
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Describes the advantages and disadvantages of various Visking tubing practical activities intended to illustrate the workings of the gut. Suggests a range of solutions to problems identified.
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This video shows single celled organisms feeding on yeast stained with Congo
red. The yeast taken into the cell can be seen changing colour as its pH changes when it is digested inside the cell.
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This edition includes notes on the HSE input to the annual CLEAPSS safety conference, managing ionising radiations, an incident with nital, problems with silicon tetrachloride, new flammables cabinets..
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This edition includes notes on the SciTech technicians' 'chat line', a DIY method for clearing blocked gas taps, what the word 'dilute' might mean in the context of school chemical solutions, the ban ..
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Showing results 1 to 10 of 15
