GRAM STAINING OF BACTERIA

      2 comments   
GRAM STAINING The Gram stain is a differential  stain which allows most bacteria to be divided into two groups, Gram-positive bacteria and Gram-negative bacteria. The technique is based on the fact that the Gram positive cell wall has a stronger attraction for crystal violet when Gram's iodine is applied than does the Gram negative cell wall. Gram's iodine is known as a mordant....