RP 2 - Preparation of stained squashes of cells from plant root tips. Set-up and use of an optical microscope and preparation of a temporary mount,
RP 8 - The effect of ammonium hydroxide on the time taken for chloroplasts to decolourise DCPIP,
RP 4 - The effect of alcohol concentration on the diffusion of pigment from beetroot cells
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Describe the laboratory separation techniques used in the separation of amino acids and proteins (10),
a) Setting up microbial and animal cell cultures (6),
b) Cell counting techniques (4)