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Sulfa Drugs Bind to the Active Site of the Enzyme

Question 19

Multiple Choice

Sulfa drugs bind to the active site of the enzyme which normally converts para-amino benzoic acid (PABA) to folic acid,preventing the production of folic acid and,eventually purine synthesis.In this case,the sulfa drug is acting as a/an:


A) allosteric inhibitor
B) competitive inhibitor
C) noncompetitive inhibitor
D) uncompetitive inhibitor

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