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Biology Coursework Investigating enzyme catalysed reactions Introduction For my biology coursework I will be investigating enzyme catalysed reactions and their effects. In this project I hope to extend my knowledge of enzymes and catalysts and research my own experiment that will further and confirm my findings. I will examine how the concentration of the substrate hydrogen peroxide (H202) affects the rate of the reaction of the enzyme catalyses. Background information Enzymes Enzymes are protein molecules produced by living cells. Each cell contains several hundred enzymes. Enzymes can be defined as biological catalysts because they speed up reactions. Enzyme reactions may be either anabolic (involved in synthesis) or catabolic (involved in breakdown). The sum total of all these reactions in a living cell or organism constitutes its metabolism. Therefore metabolism consists of anabolism and catabolism. Enzymes serve to control the chemical reactions that occur within cells and ensure that they proceed at an efficient rate. Biological catalysts possess the following...

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