Triclosan Is a Broad-Spectrum Antibacterial Agent Used in Many Household

question 31

Multiple Choice

Triclosan is a broad-spectrum antibacterial agent used in many household products. It is structurally similar to polychlorobiphenylol, a substrate that binds to the active site of the enzyme sulfotransferase. Based on these facts, you can conclude that triclosan most likely

• A) lowers the activation energy of chemical reactions.
• B) acts as a noncompetitive inhibitor.
• C) is a competitive inhibitor.
• D) functions as an enzyme when sulfotransferase is absent.

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Definitions:

Bond Discount

The difference when bonds are sold for less than their face value, indicating investors require a higher yield due to perceived risks or interest rates being higher than the bond's rate.

Accrued Interest

Interest that has been incurred but not yet paid, often relating to bonds or loans.

Semiannual Interest Expense

Interest expense that is due or accrued every six months on outstanding debts.

Market Rate

The prevailing price or interest rate available in the marketplace for goods, services, or securities.