🔍
Rifampin kills tubercle bacilli by:
A. Binding to mycobacterial DNA dependent
RNA polymerase
B. Inhibiting mycobacterial DNA synthesis
C. Inhibiting synthesis of mycolic acids in
mycobacteria
D. Damaging mycobacterial mitochondria
0 like 0 dislike

1 Answer

A. Binding to mycobacterial DNA dependent
RNA polymerase
0 like 0 dislike

Related questions

Vinca alkaloids exert antitumor activity by: A. Activating topoisomerase II to cause breaks in DNA strands B. Crosslinking DNA strands C. Inhibiting DNA mediated RNA synthesis D. Inhibiting polymerization of tubulin to form intracellular microtubules
Answer : D. Inhibiting polymerization of tubulin to form intracellular microtubules...

View solution
0 like 0 dislike
1 answer

The polyene antibiotics act by: A. Inhibiting fungal cytochrome P450 enzyme B. Binding to ergosterol and creating micropores in fungal cell membrane C. Inhibiting fungal DNA synthesis D. Disorienting microtubules in fungal cells
Answer : B. Binding to ergosterol and creating micropores in fungal cell membrane...

View solution
0 like 0 dislike
1 answer

Choose the correct statement about rifampin: A. It is the most active drug on slow growing tubercle bacilli B. Its antitubercular efficacy is lower than that of isoniazid C. It is active against many atypical mycobacteria D. It does not effectively cross blood-CSF barrier
Answer : C. It is active against many atypical mycobacteria...

View solution
0 like 0 dislike
1 answer

The intermittently multiplying (spurter) tubercle bacilli present within caseous material having low oxygen tension are most susceptible to: A. Ethambutol B. Rifampin C. Streptomycin D. Pyrazinamide
Answer : B. Rifampin...

View solution
0 like 0 dislike
1 answer

Chloramphenicol inhibits bacterial protein synthesis by: A. Binding to 30S ribosome and inhibiting attachment of aminoacyl tRNA B. Binding to 50S ribosome and preventing peptide bond formation C. Binding to ... chain D. Binding to both 30S and 50S ribosome and inducing misreading of mRNA code
Answer : B. Binding to 50S ribosome and preventing peptide bond formation...

View solution
0 like 0 dislike
1 answer

50.5k questions

47.1k answers

240 comments

7.0k users