Biology 9700/52 May June 2015 | Cambridge AS Level Past Papers With Mark Scheme
1. Determination of amylase concentration using starch agar plates and iodine staining; investigation of β-amylase and γ-amylase hydrolysis patterns.
2. Saliva sample analysis to measure α-amylase activity, anomalous data identification, and standard deviation calculations for accuracy.
3. Nerve conduction velocity (NCV) test on ulnar nerve in females across age groups, calculation of confidence limits, and statistical evaluation of age-related variations.
4. Standardization of variables in NCV experiments, null hypothesis formulation, and reliability of experimental results.

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