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Tag: Gram positive bacteria

Differences between Gram positive and Gram negative bacteria
Posted on November 25, 2020March 19, 2023 Bacteriology Difference between Microbiology

Differences between Gram-positive bacteria and Gram-negative bacteria

Characteristics Gram positive bacteria Gram-negative bacteria Cell wall Smooth single layered cell wall Wavy double-layered cell wall Thickness of cell wall Cell wall of gram... Read more

Posted on November 22, 2020 Bacteriology Microbiology

Biochemical tests for identification of Gram-positive bacteria

Gram-positive bacteria retain the crystal violet dye by its thick layer of peptidoglycan and appear purple color when observed under the microscope after performing Gram... Read more

Posted on November 22, 2020June 11, 2021 Bacteriology Microbiology

Biochemical tests for identification of Gram-negative bacteria

Gram-negative bacteria are the pink or red-colored bacteria when observed under a microscope after Gram’s differential staining technique. They do not retain the crystal violet... Read more

Posted on November 17, 2020May 24, 2022 Bacteriology Microbiology

Staining: Gram staining, Acid Fast Bacilli Staining, Spore Staining, and Capsule Staining

“Stain” is a chemical reagent or dye that is responsible for the discoloration of the specimen. This use of stain for adding contrast for better... Read more

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