Question 22 (Multiple Choice Worth 4 points)
(01.02 MC)

Which of the following best describes what happens to an enzyme after it catalyzes a chemical reaction?

A. Its mass decreases since part of the molecule is used up.
B. It is unchanged and can be used again for the same chemical reaction.
C. It becomes chemically bonded to the products of the reaction.
D. Its shape changes, giving it different chemical and physical properties.

Enzymes remain unchanged after catalyzing reactions, facilitating specific reactions without being consumed themselves, demonstrating flexibility in their function.

Explanation:

Enzyme Function and Activity

Enzymes remain ultimately unchanged after catalyzing a reaction. They form temporary enzyme-substrate complexes, facilitating specific reactions without being consumed themselves. The enzyme's flexibility and ability to return to its original state are crucial characteristics that allow it to function repeatedly.

Learn more about Enzyme Function here:

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