Sulfa Drugs Like Bactrim, Given for Bacterial Infections, Inhibit Bacteria

question 2

Multiple Choice

Sulfa drugs like Bactrim, given for bacterial infections, inhibit bacteria by blocking folic acid synthesis. The precursor molecule of folic acid is para-amino benzoic acid (PABA) . Interestingly, PABA has a structure very similar to a sulfa drug. If a sulfa drug is present, the bacterial enzyme will
Bind the sulfa drug because of structural similarity. This is an example of ______.

• A) enzyme induction
• B) enzyme repression
• C) noncompetitive inhibition
• D) competitive inhibition
• E) catabolite repression

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Definitions:

Calibrate

The act of adjusting and setting the accuracy of a measuring instrument or device to conform to standards.

White Blood Cells

Cells of the immune system involved in protecting the body against both infectious disease and foreign invaders.

Invaders

entities or forces that enter a place or situation where they are not wanted, often causing harm or disturbance.

Eosinophils

A type of white blood cell involved in the body's immune response, particularly known for its role in fighting parasitic infections and its involvement in allergic reactions.