In August 2015, Morris self-released five songs as a self-titled extended play, Maren Morris, on Spotify. The songs garnered 2.5 million streams on Spotify in a month, with three songs appearing in Spotify's US and Global Viral 50 chart.
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 STAIN. 1  applying a primary stain (crystal violet) to a heat-fixed (death by heat) smear of a bacterial culture. 2  the addition of a trapping agent (Gram's iodine) 3  rapid decolorization with alcohol or acetone, and. 4  counterstaining with safranin or carbol fuchsin (it will more intensely stain anaerobic bacteria)