Gram-positive stains
Purple
2 major groups based on DNA
Low G + C bacteria
High G + C bacteria
Low G + C bacteria include
Spheres
Rod shaped
Plemirohic
Staphyococcus, streptococcus, enterococcus
Spheres
Bacillus, clostridium, listeria
Rod shaped
Mycoplasmas (lack cell wall, stain pink)
Plemirohic