Answer: Proteins change shape as temperatures change. Because so much of an enzyme's activity is based on its shape, temperature changes can mess up the process and the enzyme won't work. High enough temperatures will cause the enzyme to denature and have its structure start to break up. Enzymes are responsible for many of the chemical processes that take place in animals, plants and microbes. They play a critical role in all life on Earth. Because every enzyme has a specific role and function, a change in its tertiary structure would cause the enzyme to be impaired in its function.
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