Although simple stains are useful, they do not reveal details about the bacteria other than morphology and arrangement. The Gram stain is a differential stain commonly used in the microbiology ...

Then, he added the mineral iodine, which formed a complex with ... and antibiotics can't stop their rise. What can? Gram's stain experiment pointed toward some sort of difference in the structures ...

(Endospore Stain Procedure) _____ For Gram-positive rods, flood the starch side of the starch and spirit blue plate with iodine. Add just enough iodine to cover the surface of the starch agar and ...