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Investigating the Effect of Catalyse on Hydrogen Peroxide Aim To investigate the effect of Hydrogen Peroxide on a Catalase enzyme, whilst heating the reaction at different temperatures. Background Knowledge An enzyme is a protein that is synthesised by the body. They have a special optimum temperature that when reached, provides the ideal conditions for 100% efficiency. If the temperature rises above its specific temperature, then the enzyme fails to do its job as well. This is called 'Denaturisation'. Enzymes in the human body work best at 37.5°C, and if our temperature rises, then we sweat, and if it falls, we shiver. Here is a hypothetical graph to show this concept. If conditions are out of the specific range, then the enzyme may become denatured, which means that the enzyme will not perform its job properly. This is because of the 'Lock and Key' concept. The lock and key concept is a way of showing how the...

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