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.
1 An example of a charm is a rabbit's foot keychain. 2  An example of a charm is a small silver butterfly pendant worn with other pendants on a bracelet. 3  An example of a charm is someone with a beautiful and welcoming smile.  a chanted word, phrase, or verse assumed to have magic power to help or hurt; incantation.