Question

The antibiotic penicillin kills the bacteria by blocking the synthesis of

a) proteins

b) cell membrane

c) cell wall

d) ribosomesp​

Answer 1

Explanation:

Human cells do not make or need peptidoglycan. Penicillin, one of the first antibiotics to be used widely, prevents the final cross-linking step, or transpeptidation, in assembly of this macromolecule. The result is a very fragile cell wall that bursts, killing the bacterium.

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