BETA LACTAM GROUP OF ANTIBIOTICS

Alexander Fleming discovered penicillin in

• 1928

• 1929

• 1940

• 1941

Penicillin G is active against

• Gram positive bacteria

• Gram negative bacteria

• Both

• None

beta lactamase resistant semisynthetic penicillin is/are

• Oxacillin

• Methicillin

• Both

• None

Penicillin inhibits cell wall synthesis by:

• Binding to PBP

• Binding to D-alanine

• Altering the NAM

• All of these