What Conclusion Can Be Drawn Concerning an Inhibitor If the KM

question 46

Multiple Choice

What conclusion can be drawn concerning an inhibitor if the KM is the same in the presence and absence of the inhibitor?

• A) The inhibitor binds to the substrate.
• B) The inhibitor has a structure that is not very similar to the substrate.
• C) The inhibitor forms a reversible covalent bond with the enzyme.
• D) The inhibitor binds to the same active site as the substrate.
• E) The Vmax is larger in the presence of the inhibitor.

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Definitions:

Variable Overhead Rate Variance

The difference between the actual variable overhead incurred and the expected (or standard) variable overhead based on activity levels.

Favorable

A term used in accounting and finance to describe outcomes or variances that are better than anticipated, indicating a positive performance against the budget or forecast.

Unfavorable

A term used to describe a variance or outcome that results in a worse financial position than expected or budgeted.

Labor Rate Variance

The difference between the actual labor costs incurred and the expected (or standard) labor costs, often due to paying a higher or lower wage rate than planned.