Please answer all the questions! There is only one answer correct for each of th
ID: 136150 • Letter: P
Question
Please answer all the questions! There is only one answer correct for each of the questions! Thank you!!!
8. Vancomycin may still be used to treat MRSA infections for all of the following reasons EXCEPT:
a. Vancomycin inhibits cross-linking in the peptidoglycan.
b. Vancomycin inhibits the transpeptidase enzyme.
c. Vancomycin binds to penicillin-binding protein 2a (PBP2a).
d. Vancomycin binds directly to the peptidoglycan.
e. Vancomycin is effective against MRSA for all of the above reasons.
9. For some time, people have used tetracycline to treat malaria infections, although they did not know why it worked because the malarial organism is ____.
a. eukaryotic
b. prokaryotic
c. acellular (neither eukaryotic nor prokaryotic)
Explanation / Answer
Vancomycin is an antibiotic used for treating many bacterial diseases. It work against gram positive bacteria and acts by prevention of cell-wall biosynthesis . But because of resistance generated by bacteria in the transpeptidase enzyme. This drug cannot act on transpeptidase enzyme. Hence, correct option is “b”.