Catch up Biology : The Molecules of life ( Water and life; Proteins; Carbohydrates; Lipids; Nucleic acids and genes) Cells and tissues ( The cell; Energy metabolism; Membrane transport; Cell division and mitosis; Reproduction; Inheritance; Epithelial tissues; Connective tissues; Excitable tissues) Systems ( Homeostasis; The endocrine system; The nervous system; The cardiovascular system; The respiratory system; The digestive system; The reproductive system; The urinary system; The immune system; The musculoskeletal system)Catch up Chemistry : 1. Elements, atoms and electrons#x00a0; 2. Bonding, electrons and molecules#x00a0; 3. Interactions between molecules#x00a0; 4. Counting molecules#x00a0; 5. Carbon - the basis of biological life#x00a0; 6. The same molecule but a different shape#x00a0; 7. Water - the solvent of life#x00a0; 8.

Reacting molecules and energy#x00a0; 9. Reacting molecules and kinetics#x00a0; 10. Energy and life#x00a0; 11. Reactivity of biological moleculesCatch up Maths #x0026; Stats : Mathematics section ( Handling numbers; Working with fractions; Percentages; Powers; Approximation and errors; Introduction to graphs; The gradient of a graph; Algebra; Polynomials; Algebraic equations; Quadratic equations; Simultaneous equations; Sequences and series of numbers; Working with powers; Logarithms; Exponential growth and decay; Circles and spheres; Differential calculus; Integral calculus; Using and recognising graphs) Applications of mathematics section ( SI units; Moles; pH; Buffers; Kinetics) Statistics section ( The language of statistics; Describing data: measuring averages; Standard deviation; Checking for a normal distribution; Degrees of freedom; How to use statistics to make comparisons; The standard error of the mean; Confidence intervals; Probability; Significance and P values; Tests of significance; t tests; Analysis of variance; The chi-squared test; Correlation; Regression; Bayesian statistics).