How does a gram stain differentiate between bacteria? It differentiates between bacteria based on the structure of their cell walls. Why do bacteria respond differently to a Gram stain? - It responds differently because of the thickness of peptidoglycan in the cell walls - Stains fix differently based on cell wall structure
(chÃ¤rm) n. 1. a. The power or quality of pleasing or delighting; appeal: an old house with a lot of charm. b. A quality that pleases or attracts; a delightful characteristic: A mischievous grin was among the child's many charms.
Definition of charm. 1  transitive verb. 2  1a : to affect by or as if by magic : compelb : to please, soothe, or delight by compelling attraction charms customers with his suave manner. 3  2 : to endow with or as if with supernatural powers by means of charms; also : to protect by or as if by spells, charms, or supernatural influences.