types of bacterial cell wall. gram-negative bacteria and gram-negative bacteria

bacterial cell wall type gramnegative bacteria comparison structure composition vector peptidoglycan gram positive negative plasma membrane envelope lipopolysaccharide antibiotic resistance synthesis biosynthesis scientific diagram healthy health medical science biology exam knowledge lesson explainer education biochemistry quiz instruction learning training schooling teaching coaching difference grampositive antibiotics pathogen bacteriology bacilli microbiology plasmid stain cellular healthcare dna infection microbe harmful infectious microbial germ care protein resistant replication mechanism crystal violet staining differentiation porins treatment cytoplasm penicillin cocci staphylococcus types wall gram-negative bacteria composition