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1. DNA Structure and Nucleotide Bonds – Identification of complementary nucleotide pairing in DNA and naming of bonds involved in DNA replication.

2. Cardiac Cycle and Blood Pressure – Analysis of pressure changes in the heart’s chambers and identification of valve closure points using graphical data.

3. Enzyme Activity and Hydrolysis of Starch – Investigation of the effect of amylase on starch breakdown and calculation of reaction rate.

4. Genetic Inheritance and Disease Prediction – Probability calculation of a child inheriting Tay-Sachs disease using a genetic diagram.

5. Cardiovascular Disease and Blood Clot Formation – Examination of how blood clots develop in arteries and their role in heart attacks.

6. Membrane Structure and Lipid Function – Comparison of phospholipid and triglyceride structures and their roles in biological membranes.

Edexcel AS Level Biology A (8BN0) Jun 2023

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Classification: Edexcel Paper 1

Page count: 32

Viewed: 55

Last update: 3 months ago

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Biology (A) 8BN0/01 May June 2023 | Edexcel AS Level Past Papers With Mark Scheme

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