A workbook for AS and A-Level Biology students (contains Year 12 AS content only). Questions sourced from various AQA past papers. Attached as a PDF with a two-per-page layout (to reduce paper usage) Also included is a PowerPoint version so that you are able to edit it and add or remove topics as you wish. If printing, please remember to print in duplex, with two pages per sheet and in black and white to help maintain the environment. Topics featured: Biological Molecules -ATP -Carbohydrates -Inorganic Ions -Lipids -Monomers and Polymers -Nucleic Acids -Proteins and Enzymes -Water Cells -Cell Recognition and Immune System -Cell Structure -Studying Cells -The Cell Cycle -Mitosis -Transport Across Cell Membranes Organisms Exchange Substances -Digestion and Absorption -Gas Exchange -Mass Transport in Animals -Mass Transport in Plants -Surface Area to Volume Ratio Genetic Information, Variation and Relationships between organisms -DNA and Protein synthesis -DNA, Genes and Chromosomes -Genetic Diversity and Adaptation -Genetic Diversity via Mutation -Investigating Diversity -Species and Taxonomy