This video provides photos and narrator interpretation of MacConkey’s Agar (MAC) specialized bacterial growth medium. Examples of sterile MAC as well as plates with growth of Gram-negative lactose fermenting bacteria and non-lactose fermenting bacteria. Video by Tami (Guy) Port, Chief Executive Nerd at . For the lab materials that go with this movie, see the Virtual Microbiology Classroom Bacterial Growth Media and Culture Laboratory Main Page at .
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