Multiple Choice
Which of the following reactions is most commonly used to convert an alkene into an alcohol?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following statements about enzyme function is true?
A
Enzymes increase the activation energy of a reaction.
B
Enzymes lower the activation energy of a reaction.
C
Enzymes are consumed in the reactions they catalyze.
D
Enzymes can only catalyze reactions in one direction.
Verified step by step guidance1
Understand the role of enzymes: Enzymes are biological catalysts that speed up chemical reactions without being consumed in the process.
Clarify the concept of activation energy: Activation energy is the minimum energy required for a reaction to occur. Enzymes work by lowering this energy barrier, making it easier for the reaction to proceed.
Evaluate the statement about activation energy: The statement 'Enzymes increase the activation energy of a reaction' is incorrect. Enzymes actually lower the activation energy, facilitating the reaction.
Consider enzyme consumption: Enzymes are not consumed in the reactions they catalyze. They remain unchanged and can be used repeatedly.
Assess the directionality of enzyme-catalyzed reactions: Enzymes can catalyze reactions in both directions, depending on the concentration of substrates and products, and the specific conditions of the reaction.
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