Monday, July 23, 2012

7-23-12

LEC- test #2
LAB- turned in defined words and turned in out of class assignment
              -MacConkey experiment

(-)     S. aureus
(-)     E. faecalis
(+)     E. coli: hott pink
(-)     S. enteritidis


              -CNA (isolation streak) experiment

E. coli


(+)     E. faecalis


(+)     S. enteritidis

              -PEA (isolation streak) experiment

(-)     E. coli


E. faecalis


(+)     S. aureus

              -TSA (sheep's blood) (isolation streak) experiment

(+)     S. aureus


(partial)     E. faecalis


(partial)     S. epi

              -motility (stab) experiment

(+)     P. vulgaris: spreads
(-)     S. epi: just stays in the line

              -TSA (plain) (isolation streak) experiment



S. aureus
S. saprophyticus

              -EMB experiment

(+)     E. coli: green
(-)     E. faecalis
(+)     S. enteritidis: no color change
(+)     E. aerogenes: pink

              -Mannitol Salt experiment

(+)     S. saprophyticus: yellow, ferment
(+)     S. aureus: yellow, ferment
(-)     S. epi

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