HLSC-124 Chapter 6: HLSC 124 Lecture 7 Notes + Supplemental Chapter 6 Notes
5 Oct 2016
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Hlsc 124: lecture 7 notes + supplemental chapter 6 notes. Tortora, g. , funke, b. , & case, c. (2016). Aerobic: can only use o2 in small amounts. 2-10% of o2 in the environment: accumulate lethal amounts of superoxide radicles in an oxygen rich environment, ex. Oxygen can form different toxic forms: an organism must be able to get rid of these forms to survive, singlet (1o2. High energy and highly reactive form f o2: superoxide radicals or superoxide anions (o2. Formed in small amounts as a by-product of respiration. O2 begins to steal electrons from other molecules leading to cell death. To survive the organism must produce enzyme superoxide dismutase. 2 h+ + o2: peroxide anion (o2. Results of the breakdown of superoxide radicals. Converts h2o2 into water: h2o2+2h+ 2h2o, hydroxyl radical (oh. ) Ways of growing bacteria in a lab setting- culture media: complex media. In modern lad"s nutrient broth comes as a powder to be mixed with water.
