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Curricula A-Level Pearson Edexcel Biology A Snab2. Genes and Health

2. Genes and Health

1

Gas Exchange, Cell Membranes & Transport

Properties of Gas Exchange Surfaces

Diffusion & Facilitated Diffusion

Active Transport

The Mammalian Lung

Fick's Law of Diffusion

Practical: Investigating Membrane Structure & Permeability

2

Nucleic Acids

Nucleotides & Phosphodiester Bonds

3

Proteins

Amino Acids & Peptide Bonds

Nature of the Genetic Code

Levels of Protein Structure

Fibrous Proteins: Structure & Function

Practical: Investigating the Effect Enzyme and Substrate Concentrations

The Role of Enzymes

Globular Proteins: Structure & Function

Mode of Enzyme Action

4

Inheritance

Inheritance: Key Terms

Pedigree Diagrams

DNA Replication

Monohybrid Crosses

Chi-squared Test

Genetic Screening