Multiple Choice
Which of the following components obtained from food is essential for the proper function of many enzymes as cofactors or coenzymes?
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6. Enzymes and Enzyme Kinetics
Enzymes
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Which of the following is most likely to occur if an enzyme is added to a specific chemical reaction?
A
The activation energy of the reaction will decrease.
B
The reaction will produce different products.
C
The equilibrium position of the reaction will shift.
D
The enzyme will be permanently consumed in the reaction.
Verified step by step guidance1
Understand the role of enzymes in chemical reactions: Enzymes are biological catalysts that speed up reactions by lowering the activation energy required for the reaction to proceed. They do not alter the equilibrium position or the products formed in the reaction.
Clarify the concept of activation energy: Activation energy is the minimum energy required for reactants to transform into products. Enzymes reduce this energy barrier, making it easier for the reaction to occur.
Evaluate the options provided: Analyze each statement to determine its validity. For example, enzymes do not change the equilibrium position of a reaction, nor do they produce different products. They also are not permanently consumed in the reaction; they remain unchanged after facilitating the reaction.
Focus on the correct answer: The correct answer is that the activation energy of the reaction will decrease. This is the primary function of enzymes in biochemical reactions.
Summarize the reasoning: Enzymes lower the activation energy, allowing the reaction to proceed more efficiently without altering the equilibrium, the products, or being consumed permanently.
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