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Investigate factors which affect the work of enzymes. I will be investigating how the concentration of starch, affects the rate of reaction between starch and amylase.
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By Carla Hodgkins 11U 21st January 2004 Coursework Investigation Factors Affecting Enzymes Aim To investigate factors which affect the work of enzymes. I will be investigating how the concentration of starch, affects the rate of reaction between starch and amylase. Factors, which can affect enzymes * Temperature - enzymes work best at low temperatures (below 45oC). At high temperatures the enzyme molecules may become denatured. * PH - Changes in the PH, alter the state of ionisation of charged amino acids that may play a crucial role in substrate binding and/or the catalytic action itself. * Changes in starch concentration, (see below) * Changes in enzyme concentration, at a higher concentration there will be more enzymes to break down the substrate, therefore decreasing reaction times. Prediction I predict that as the concentration of starch increases the time it takes the amylase to break down the starch will also increase. When the substrate is at a low concentration,...
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