MRCP 1 Question 6

In the mechanism of action of antibiotics, the mechanism of action of Tetracyclines:

a) Inhibits protein synthesis by binding to a subunit of the bacterial ribosome
b) blocks cross-linking of the cell wall structure
c) inhibits enzymes needed in the biosynthesis of folic acid
d) inhibits bacterial DNA gyrase
e) inhibits DNA-dependent RNA polymerase



ANSWER
The correct answer is A

Explanation

Tetracyclines: Inhibit protein synthesis by binding to the subunit of the bacterial ribosome (30S subunit).

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