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Unformatted text preview: slant and broth INCUBATE M. Luteus @ 25 o C and E. coli @ 37 o C LAB EXERCISE 1-4 STREAK PLATE ISOLATION Mixed culture- one or more species Pure culture- single species Use four-way quadrant streak to isolate a pure culture from a mixed one Pure organism will give rise to a visible __________ LAB Exercise: a. From a mixed culture of S.marcescens and S. epidermidis perform a four way quadrant streak b. From an environmental source, dip a sterile pipette into a tt of distilled water, obtain a specimen. Use the swab for the first quadrant and use the loop for the rest....
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This note was uploaded on 10/18/2011 for the course MCB 2010 taught by Professor Elizabethingram during the Fall '11 term at Valencia.
- Fall '11