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Mannitol salt agar (MSA) is a selective, differential, and indicator medium used to isolate and identify Staphylococcus aureus from the clinical specimen. As its name suggests, mannitol salt agar...
The rapid plasma reagin (RPR) test is a macroscopic, nontreponemal flocculation card test used to screen for syphilis. Let’s first analyze the test name: Rapid: It is a rapid...
Gram stain is the most important staining procedure in Microbiology. Most bacteria can be broadly classified as Gram-positive or Gram-negative. Gram-positive bacteria stain purple, whereas...
Structural details of organisms cannot be seen under a light microscope due to a lack of contrast. Hence, we use dyes to stain cells. Dyes bind with cellular constituents producing color contrast and...
Common names of some infectious diseases are funny and don't relate to their scientific names or etiology. But some of these names are derived from the mode of transmission of diseases and in which...
1. Which of the following bacteria was not discovered by Robert Koch? a) Bacillus anthracis b) Mycobacterium...