The following statement is false regarding beta-lactam group of antibiotics?: (A) Pencillins are more active against gram positive organisms, (B) Amoxycillin is not suitable for meningitis, (C) Pencilloic acid is the active moiety, (D) Pencillin V and Pencillin G are natural pencillins
Answer is C. The active moiety in Pencillins having antibacterial propey is 6 amino penicillanic acid which contains beta-lactam ring. Pencilloic acid is responsible for pharmacokinetic propeies.Ref: HL Sharma 3rd ed. Pg: 728