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WebBiology Knowledge Organiser B1 - Cell structure and transport . The rate of diffusion is affected by: 1. the steepness of the concentration gradient 2. the temperature (a higher temperature increases the rate of diffusion as particles have more kinetic energy) 3. The surface area of the membrane (a larger surface area of cell WebDownload answers to the practice and summary questions in your AQA GCSE Sciences 9–1 Biology, Chemistry and Physics Student Books. We use cookies to enhance your experience on our website. By continuing to use our … WebMar 27, 2014 · Cloning. AQA GCSE Biology – Unit 1 summary notes. Humans can carry out various procedures to create clones of plants and animals. These new individuals (clones) are genetically identical to the parents. Cuttings: New plants can be produced quickly and cheaply by taking cuttings from older plants. Tissue culture. phi handwritten