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Bacteria

Classification and Identification -Stains​

QuestionAnswer
Ability to retain stain The most common staining procedure in use today is the Gram stain.​
Gram positive Bacteria retain the crystal violet stain during the staining process, causing them to appear blue when viewed under the microscope.
Gram negative Do not retain the crystal violet stain during the staining process; however, they do take up the red counter stain. ​
Acid-fast stain Is a staining procedure for identifying bacteria with a waxy cell wall​
Aerobe Bacteria that grow best in the presence of oxygen​
Anaerobe Grow best in the absence of oxygen​
Facultative Organisms that can grow in either environment
Biochemical reactions Certain biochemical reactions that occur within the bacterial cell​
Mycobacteria Rod-shaped bacilli with a waxy cell wall, making them acid-fast.
Rickettsia (Ruh-keck-see-ah) Unusually small bacteria that can live and grow only within other living cells
Created by: InstructorWatson
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