cell wall structure of gram-positive bacteria for example staphylococcus.

antibiotic antibiotics bacilli bacteria bacterial bacteriology biology care cell cellular cocci crystal cytoplasm difference differentiation dna germ gram harmful health healthcare illustration infection infectious mechanism medical medicine membrane microbe microbial microbiology negative pathogen penicillin peptidoglycan plasma plasmid porins positive protein replication resistance resistant science stain staining staphylococcus structure teichoic treatment vector violet wall