Yes. That is the only thing we can kill off. We have no current ability to kill a virus.
The penicillin family mainly prevent the formation of cell membranes by inhibiting the enzyme folic acid, thus not allowing the cell to form.
Yes, penicillin is often prescribed for gum and tooth infections.
Penicillins, having been around so long, have undergone significant modifications, and their spectra has increased since its discovery (when it wasn't effective against Gram negative bacteria --...
by interfering with bacterias ability to synthesize cell wall