Final answer:
The prefix SULF- indicates that the drug is a sulfonamide, which is a type of synthetic antibiotic. Sulfonamides competitively inhibit the synthesis of dihydrofolic acid, making them effective against bacteria.
Step-by-step explanation:
The prefix SULF- indicates that the drug is a sulfonamide. Sulfonamides are synthetic antimicrobial agents that competitively inhibit the synthesis of dihydrofolic acid.
They are commonly used as antibiotics and are effective against a wide range of bacteria. Sulfonamides competitively inhibit the synthesis of dihydrofolic acid, making them effective against bacteria.