Biology 9700/33 Oct Nov 2021 | Cambridge AS Level Past Papers With Mark Scheme
- Investigation of enzyme concentration effects on color removal in mock fruit juice.
- Serial dilution preparation of enzyme solution with specified concentrations.
- Observation and recording of color intensity changes post-treatment with enzyme solutions.
- Identification of the most effective enzyme concentration for color removal.
- Control of variables, including temperature, during the experiment.
- Analysis of sources of error and procedural improvements in enzyme activity assessment.

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