BISC 260 Lecture Notes - Lecture 8: Chlorophyll, Scattering, Industrial Microbiology

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11/1/2016 7:03:00 pm: reproductive strategies of eukaryotic microbes, asexual and sexual, haploid or diploid. Bacteria and archaea: haploid only, asexual binary fission, budding, etc, all must replicate and segregate the genome prior to division. Oxygen concentration: growth in correlates with microbes energy conserving metabolic processes and the electron transport chain (etc) and nature of terminal electron acceptor, oxygen and bacterial growth, aerobe, grows in presence of atmospheric oxygen (o2) which is. Microbial growth in natural environments: microbial environments are complex, constantly changing, often contain low nutrient concentrations (oligotrophic environment) and may expose a microorganisms to overlapping gradients of nutrients and environmental factors. Macconkey agar: differential media, selects for gram negative bacteria, distinguish between different groups of microorganisms based on their biological characteristics, e. g. blood agar, hemolytic versus non hemolytic bacteria, e. g. Macconkey agar: lactose fermenters versus nonfermenters, e. g. Mannitol salt agar: 7. 5% salt- tests for hemophiles, if the bacteria ferments manitol, the ph indicator turns the agar yellow, e. g.

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