The antibiotic penicillin prevents the formation of cross-links between peptidoglycans during bacterial cell wall synthesis by blocking the enzyme transpeptidase.
Which statements describe the action of penicillin on bacteria?
1 It is an enzyme inhibitor.
2 It weakens the bacterial cell wall.
3 It will work at any stage during the bacterial life cycle.
1 )
1, 2 and 3
1 and 2 only
3 )
1 and 3 only
4 )
2 and 3 only
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