QuestionSBA
QuestionChoice
This is the mechanism of action of penicillins, cephalosporins and carbapenems.
10005597
b
Inhibits cell wall synthesis
QuestionChoice
This is the mechanism of action of macrolides - such as clarithromycin.
10005598
c
Inhibition of bacterial protein synthesis by binding to the 50S subunit of the ribosome
QuestionChoice
This is the mechanism of action of Quinolones, such as ciprofloxacin.
10005599
d
Inhibition of topoisomerases
QuestionChoice
Doxycycline is a tetracycline antibiotic, which binds to the 30S subunit of the bacterial ribosome and prevents tRNA from binding, and therefore protein synthesis is inhibited.
10005596
a
Inhibition of bacterial protein synthesis by binding to the 30S subunit of the ribosome
QuestionChoice
This is the mechanism of action of metronidazole, which is a specific antibiotic for anaerobic bacterial infections.
10005600
e
Inhibition of bacterial DNA synthesis
Concept
Chapter
2693
4428
Tetracyclines
Topic
223
Antibiotic pharmacology
13666
You take a history from a patient on the respiratory who came in due to an acute infective exacerbation of COPD. He says he was treated with doxycycline.

What is the mechanism of action of doxycycline?
a