Multiple choice

Match the following: Column A Column B A. Cycloheximide 1. Inhibits bacterial protein synthesis by blocking the A-site on the ribosome. B. Puromycin 2. Inhibits bacterial protein synthesis by blocking peptidyl transfer. C. Chloramphenicol 3. Inhibits protein synthesis by resembling an amino acid. D. Tetracyclin 4. Misreads the genetic code and inhibits initiation of protein synthesis.

  1. A - 4, B - 3, C - 2, D - 1

  2. A - 3, B - 4, C - 2, D - 1

  3. A - 1, B - 2, C - 3,D - 4

  4. A - 4, B - 4, C - 1, D - 2

  5. A - 2, B - 3, C - 2, D - 4
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A Correct answer
Explanation

Cycloheximide inhibits initiation of protein synthesis, puromycin inhibits protein synthesis by resembling an amino acid attached to terminal adenosine of t-RNA, chloramphenicol is an antibiotic that inhibits bacterial protein synthesis by blocking the translation elongation and tetracyclin is also an antibiotic that inhibits bacterial protein synthesis by blocking the a-site on ribosome.

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