Question 10 (3 parts) Part 1: Which of the following antibiotics inhibits transl

Question

Question 10 (3 parts)

Part 1:

Which of the following antibiotics inhibits translation by inhibiting binding of aminoacyl-tRNAs to the A site of the ribosome?

Chloramphenicol

Erythromycin

Cyclohexamide

Tetracycline

Part 2:

Which of the following antibiotics inhibits translation by preventing the ribosome from translocating along the mRNA?

Chloramphenicol

Erythromycin

Cyclohexamide

Tetracycline

Part 3:

Which of the following antibiotics inhibits translation by shutting down the peptide bond formation activity of the ribosome?

Chloramphenicol

Erythromycin

Cyclohexamide

Tetracycline

Chloramphenicol

Erythromycin

Cyclohexamide

Tetracycline

Part 2:

Which of the following antibiotics inhibits translation by preventing the ribosome from translocating along the mRNA?

Chloramphenicol

Erythromycin

Cyclohexamide

Tetracycline

Part 3:

Which of the following antibiotics inhibits translation by shutting down the peptide bond formation activity of the ribosome?

Chloramphenicol

Erythromycin

Cyclohexamide

Tetracycline

Explanation / Answer

1-option d is correct because it inhibiting the aminoacyl-tRNA to the mRNA ribosome complex.

2-option c is correct because it exerts its effect by interfering with the translocation step in protein synthesis.

3- option a is correct because it interact with the 50s subunit of ribosome and prevent the formation of peptide bond.

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