what is a differential stain? name two examples of such stains.
Differential Staining. Gram stain technique is a differential staining technique, which separates bacteria into two groups (discussed in earlier chapters), Gram-positive bacteria and Gram-negative bacteria. Another differential staining technique is acid-fast technique which differentiates species of Mycobacterium from other bacteria.
Differential staining refers to the type of staining that allows the analyst to tell different types of the cells apart; it is a general term that encompasses a variety of staining procedures. When an animal is broken down into its cells, the cells can vary in appearance and in function.