what are gram positive bacteria ?
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what are gram positive bacteria
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Bacteriology
1 year
2022-11-13T15:16:31+00:00
2022-11-13T15:16:31+00:00 1 Answer
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Gram-positive bacteria are a type of bacteria that have a cell wall structure that retains a purple stain when subjected to the Gram staining method, a common laboratory technique used to classify bacteria based on their cell wall composition. These bacteria have a thick layer of peptidoglycan in their cell wall, which is responsible for retaining the purple stain. Gram-positive bacteria include species like Staphylococcus, Streptococcus, and Bacillus, among others. They are found in various environments, including soil, water, and the human body, and they can cause a wide range of infections in humans, from mild skin infections to more serious diseases like pneumonia and meningitis.