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Cards In This Set
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As a bacterial cell carries out different ___ pathways, a harmful by product called ___ ___ is produced?
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Metabolic, Hydrogen peroxide
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___ ___ is produced by the electron transport chain during the reduction of ___?
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Hydrogen peroxide, oxygen
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___ acts as the final electon acceptor in the process of ___ respiration?
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Oxygen, aerobic
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Enzymes called ___ reduce ___ to form, among other products, ___ ___?
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Oxidases, oxygen, hydrogen peroxide
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Hydrogen peroxide is considered what kind of species?
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ROS, Reactive oxygen species
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This can cause significant damage to important molecules of the bacterium like DNA, RNA and proteins?
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Hydrogen peroxide
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In order to detoxify this ROS, many bacteria produce the enzyme ___?
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Catalase
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The function of catalase is to convert hydrogen peroxide into what?
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Hydrogen peroxide and oxygen gas which are harmless to the cell
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By detoxifying ___ ___, ___ allows the bacterium to survive and thrive in oxygen-rich environments?
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Hydrogen peroxide, catalase
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You put the inoculum on the slide and add what to see if an organism produces catalase?
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Hydrogen peroxide
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If the organism produces catalase, what will appear?
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Bubbles
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The bubbles are due to what?
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Due to the production of oxygen gas from the breakdown of hydrogen peroxide
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If bubbles appear, what does this tell you about this test, negative or postive?
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Catalase positive
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Catalase test is to determine what kind of cocci, - or +?
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Gram-positve cocci from one another
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These 2 organisms are catalase positve?
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Staphylococcus and Micrococcus
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