Top left: E. coli bacterial colonies grown on TSY agar. Top right:
E. coli growing in a slant tube of TSY. Left: Close up of E. coli colonies on a streak plate of TSY agar.
1. Smiley face drawn in E. coli on MacConkey's agar, 2. Control pinwheel showing lactose-negative, colorless Salmonella (top) and lactose-positive, pink E. coli (bottom); 3. Colonies of Gram-negative bacteria growing on MAC, 4. Three plates of MacConkeys, each with different Gram- bacteria: E. coli top lift, Enterobacter, top right and Salmonella on bottom; 5. Sample from kitchen sink plated on TSY (front) and MAC (back).
1. Mycobacterium smegmatis colonies growing on TSY agar; 2. Streak plate of Mycobacterium smegmatis colonies growing on TSY agar, top view; 3. Streak plate of Mycobacterium smegmatis colonies growing on TSY agar, bottom view; 4 & 5. M. smeg written in the bacteria Mycobacteria smegmatis growing on TSY agar. Note, in close-up photo, the waxy appearance of the bacterial colonies.
Top left: Mannitol Salts Agar (MSA) growing Staphylococcus epidermidis. Top right: MSA growing mannitol fermenting pathogenic halophile S. aureus on left and S. epi on right Left: Punctiform (tiny) bacterial colony morphology of S. epidermidis growing on Mannitol Salt agar.
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