− | Cephalosporins are '''beta-lactams''' just like [[penicillins]] and work by disrupting the peptidoglycan in the cell wall of bacteria. As such they are '''bacteriocidal'''. | + | Cephalosporins are '''beta-lactams''' just like [[penicillins]] and work by disrupting the peptidoglycan in the cell wall of bacteria. As such they are '''bacteriocidal''' and time dependent killers. |