Penicillin Inhibits Bacterial Growth by Preventing the Cross-Linking During Peptidoglycan

question 35

Multiple Choice

Penicillin inhibits bacterial growth by preventing the cross-linking during peptidoglycan synthesis.Why does penicillin not inhibit growth of archaeal cells?

• A)Archaeal cells do not have a cell wall.
• B)Most archaeal cells have a cell wall,but it is not composed of peptidoglycan.
• C)Penicillin is unable to penetrate the lipid outer membrane that blocks access of penicillin to the peptidogycan crosslinking enzymes.
• D)Pencillin is unable to penetrate the S layer to reach the peptidoglycan layer underneath.

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