Biology (A) 9BN0/02 May June 2019 | Edexcel A Level Past Papers With Mark Scheme

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1. Cell Membranes and Transport: Structure of the phospholipid bilayer, functions of membrane proteins, facilitated diffusion, active transport, and the role of CFTR in cystic fibrosis.

2. Genetics and Disease: Hardy-Weinberg calculations for allele frequency, effects of CFTR mutations on disease severity, and genetic probability in population studies.

3. Exercise Physiology and Homeostasis: Role of the brain in heart rate and sweating regulation after exercise, negative feedback mechanisms, and risks of excessive physical activity.

4. Muscle Contraction and Biochemistry: Actin and myosin interactions, ATPase function in muscle fibers, and the importance of primary protein structure in enzymatic function.

5. Photosynthesis and Respiration: ATP synthesis in glycolysis, Krebs cycle, and electron transport chain, energy storage, and transfer in metabolic pathways.

6. Cancer and Genetic Risk Factors: Prostate cancer development, effects of diet and sugar intake, genetic predisposition in twins, and statistical analysis of cancer causes.

Edexcel A Level Biology A (9BN0) Jun 2019

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Classification: Edexcel Paper 2

Page count: 32

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Last update: 2 months ago

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Biology (A) 9BN0/02 May June 2019 | Edexcel A Level Past Papers With Mark Scheme

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