A complete summary of core practicals 1-18 from the Edexcel SNAB A Level Biology course. Includes mark scheme specifics and key details for each procedure. Includes the following practicals:

Effect of caffeine on HR in Daphnia,

Vitamin C content of food and drink,

Membrane permeability (beetroot),

Enzyme and substrate concentrations,

Observing stages of mitosis,

Identifying structures in a stem,

Plant mineral deficiencies,

Tensile strength of plant fibres,

Antimicrobial properties of pl...
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