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.
1 Coomassie blue-stains proteins a brilliant blue, and is often used in gel electrophoresis. 2  Crystal violet-stains cell walls purple when combined with a mordant. 3  This stain is used in Gram staining. 4  DAPI-a fluorescent nuclear stain that is excited by ultraviolet light, showing blue fluorescence when bound to DNA. Hematoxylin-a nuclear stain that, with a mordant, stains nuclei blue-violet or brown. 2  Hoechst stains-two types of fluorescent stains, 33258 and 33342, these are used to stain DNA in living cells. 3  Iodine-used as a starch indicator. 4  When in solution, starch and iodine turn a dark blue color.