3.12.3: Exercise #23 - Lab Wrap-Up

OER - BIOL 2420 Laboratory Manual · LibreTexts

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    Lab Wrap-Up Questions
    Answer the following questions:
    1. What does a mannitol salt agar select for and why?
    2. Mannitol salt agar is considered a differential medium, what cab be differentiated using this media and why?
    3. You inoculate a Mannitol salt agar plate and after incubation for 24 hours you observe the following plate. What can be concluded about the organism growing on the agar? (Include all information that can be concluded.)
    MacConkey agar plate showing bacterial growth with pink colonies.
    Credit: Sherry Smith

    This page titled 3.12.3: Exercise #23 - Lab Wrap-Up was last modified on Sat, 25 Jul 2026 03:43:07 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Sherry Smith.