Chemical Reactions and Enzymes

Front

What are the substances that are created by a chemical reaction?

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Products

Front

In a chemical reaction, a reactant binds to an enzyme at a region known as the

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active site.

Front

Which of the following factors affect the action of enzymes to a substrate?

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pH and temperature.

Front

Changes in pH and temperature can ___________________ an enzyme which causes it to lose its shape and affects its function.

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denature.

Front

What is the optimal pH for this enzyme?

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9.

Front

What is a chemical reaction?

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A process that involves the transformation of one or more substances into different substances.

Front

What are reactants in a chemical reaction?

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Substances that undergo change during a chemical reaction.

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What is an enzyme?

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A biological catalyst that speeds up chemical reactions in living organisms.

Front

What is the role of the active site in an enzyme?

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It is the specific region where a substrate binds to the enzyme.

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What happens to an enzyme when it is denatured?

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It loses its three-dimensional structure and, consequently, its functionality.