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Nostrana [21]
3 years ago
5

28) The graph below shows how the activity of an enzyme changes at different temperatures.

Biology
1 answer:
puteri [66]3 years ago
4 0

Answer:

d) The enzyme changes shape and can no longer speed up the reaction

Explanation:

Enzymes aare protein in nature therefore sensitive to changes in temperature. Most enzymes have an optimum temperature ranging from 35-40°c. As the temperature increases, optimum temperature is reached where the rate of reaction is maximum. Temperatures above 40-63°c denatures the enzymes making them non effective thus the reaction decreases sharply.

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