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This document contains a summary of the content in A-level biology module transport cross cell membranes. It contains a diagram and step-by-step process of glucose absorption into the ileum via co-transport and the role of active transport in this process, as well as a summary of osmosis, diffusion and active transport. A concise table of phospholipid bilayer components and functions as well as the fluid Mosaic model and diagrams are also included.

This document summarises the content within the cells chapter of A-level biology AQA. It includes diagrams and concise bullet points of the process of mitosis, cell fractionation, cell specialisation, as well as diagrams and roles of every eukaryotic cell organelle. In addition, there are comparisons of prokaryotic and eukaryotic cells, prokaryotic cell organelle roles and diagrams, viruses, and bacterium. Binar fission and virus replication are also included, as well as cancer.

This document summarises the nucleic acids module of biology A-Level. It includes detailed but concise revision notes and diagrams on the semiconservative theory of DNA replication, DNA structure and its functions, ATP and the roles of this, as well as the role of water in sustaining life and its functions and structure.

This document contains all major information for the unit of biological molecules in A-Level Biology. All key chemical tests, different carbohydrates and their functions, proteins, fatty acids, enzymes and inhibitors are covered and summarised with diagrams where helpful.