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- Investigation of biological molecules: protein, starch, reducing sugar, lipid.
- Use of reagents: copper sulfate, potassium hydroxide, iodine, Benedict’s solution.
- Testing procedures: protein test, reducing sugar test, starch test, lipid test.
- Identification of solutions: S1, S2, S3, S4, U, Y, Z.
- Observations and color changes: recording results for each test.
- Analysis of plant leaf structure: xerophytic features, vascular tissue differences.

CIE AS & A Level Biology (9700) Jun 2021 Biology (9700) directory

Laura Bellini

Classification: Paper 3

Page count: 12

Viewed: 167

Last update: 3 months ago

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Biology 9700/33 May June 2021 | Cambridge AS Level Past Papers With Mark Scheme

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