Detailed guidance on how to carry out specific biology practical activities so they work and are safe.
Biology Procedures
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A more straight forward activity than that done traditionally. Includes all practical instructions and some brief notes on DCPIP.
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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A simple investigation, with clear procedural advice, on looking at how chemicals affect the cytoplasm of red onion epidermal cells.
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.
Offers a straightforward method for investigating the effect of pH on an enzyme.
A straightforward practical activity investigating how antimicrobial
chemicals affect microbial growth on agar plates.
A simple practical activity to discover the diversity of microbes
swabbed from suitable locations.
Thin layer chromatography is a quick and effective method of separating pigments within leaves. The pigments run clearly on the chromatogram with little outward spread, allowing Rf values to be calcul..
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Amino acids can be identified and
separated using paper chromatography, a cheaper alternative to using
TLC. The amino acids need to be stained with ninhydrin
to reveal the spots after the run.
A straightforward and commonly-used practical activity
Showing results 1 to 10 of 36