Chemical reactions in living things 0.0 / 5 ? BiologyLife on EarthGCSEOCR Created by: rstaines98Created on: 05-01-14 19:00 Say the seven processes of life MRS GREN Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition 1 of 5 What are enzymes? Proteins that speed up chemical reactions in our cells 2 of 5 What is the optimum temperature for enzymes? 37°C 3 of 5 What happen if the temperature is too high in our bodies? Enzymes are denatured and stop working 4 of 5 What is the lock and key model? It is a model showing that enzymes are specific, only one type of enzyme can speed up a specific reaction 5 of 5
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