Sulfa drugs affect which kind of pathway

Reference no: EM13267114

1- Sulfa drugs affect which kind of pathway?

a) Cell wall assembly. b)DNA or RNA synthesis. c) protein synthesis. d) Folic acid metabolism. e) cell membranes.

2- When grown in penicillin, staphlococcus will;

a) implode under hypotonic conditions. b) Become too rigid to adapt to changing environment conditions. c) have a cell wall that lacks cross-bridging and is weak. d) stop dividing because it cannot copy DNA. e) divide but not make enough new protein to survive.

3- You look at the label of a triple antibiotic ointment used for cuts.You notice that it contains tetracycline. What does tetracycline do to microbes?

a) Blocks the assembly of cell wall sugars. b) degrades proteins inside a microbe. c) Inhibits RNA production by the microbe. d) Blocks the assembly of proteins by the ribosome. e) Inhibits the growth of mold.

4- An example of antibiotic that blocks microbial membrane is;

a) Penicillin. b) Rifampin. c) Polymixin. d) Erythromycin. e) sulfonamide.

5- Methicillin-resistant Staphylococcus aureus (MRSA) uses which of the following to avoid the action of penicillin?

a)Efflux. b) Pencillin-binding proteins. c) Modification of drug target. d) Gene Deletion. e) Inaction on the pro-drug.

Reference no: EM13267114

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