Question:medium

Which of the following statements are True?
A. Tetracycline inhibits protein synthesis through interference with the binding of aminoacyl-tR to 30S subunit of ribosome
B. Chloramphenicol inhibits protein synthesis by combining with the 50S subunit of ribosome
C. Erythromycin inhibits protein synthesis by binding on the 30S subunit of ribosome
D. Streptomycin inhibits protein synthesis by combining with 30S subunit of ribosome

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Remember ribosome targets:
30S Inhibitors: Tetracycline, Aminoglycosides (Streptomycin) [Mnemonic: AT 30].
50S Inhibitors: Chloramphenicol, Erythromycin, Lincosamides [Mnemonic: CLEan at 50].

Updated On: Jul 28, 2026

A and C Only
A and D Only
A, B and D Only
C and D Only

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The Correct Option is C

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List - I		List – II
A.	Streptococcus	i.	Citric acid
B.	Trichoderma polysporum	ii.	Clot buster
C.	Monascus purpureus	iii.	Cyclosporin A
D.	Aspergillus niger	iv.	Statins

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The Correct Option is C

Solution and Explanation

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