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How does penicillin target bacteria without harming our cells?

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Our cells have a different type of cell wall

Our cells are immune to penicillin

Penicillin blocks the formation of cell wall

Our cells do not form a cell wall

answer is C.

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Detailed Solution

Penicillin targets bacteria by blocking the formation of their cell walls.

Bacterial cells have a cell wall made of peptidoglycan, which is necessary for their survival.

Penicillin interferes with the process of cell wall formation, ultimately causing the bacterial cell to burst and die.

Human cells, on the other hand, lack a cell wall, which is why penicillin does not harm them.

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