Gram Stain Test. A Glass Petri Dish With Pathogen Bacterial Culture Before And After Use Crystal Violet. Bacteria Stained With Gentian Violet. Gram-Positive Bacteria Are Violet-Stained Like Cocci. Gram-Negative Bacteria Are Pink-Stained Like Bacilli. Vector Illustration

KEYWORDS

gram stain test glass petri dish pathogen bacteria culture crystal violet bacterium stained gentian grampositive violetstained cocci gramnegative pinkstained bacilli microbiology pathogenic cell wall structure differential staining peptidoglycan solution ethanol purple pink classification microscopic examination identification reaction morphology microbiological techniques microscope laboratory procedure clinical diagnosis healthy health medical science biology exam knowledge lesson explainer education biochemistry quiz instruction learning training schooling teaching coaching vector diagram test bacterial use violet gram-positive violet-stained like cocci gram-negative pink-stained bacilli