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- Which of these disinfectants is least effective against E. coli? a. Chlorineb. o-phenylphenolc. quatd. hexachloropheneGiven Test Reagent Positive or Negative Result Reason/Explanation Lime Soda Molisch Test Sucrose Fehling’s Test Fructose Tollen’s TestTopic: Preparation of Microbial Suspension A Pure colony is needed for inoculation in sterile water, a small portion of culture media was included. Effect: Rationale:
- Short description of the process occurring at each step of the extraction in the miniprep process indicating the purpose/action of the reagents usedSugar Utilization medium (Containing trehalose, sucrose, trehalose, Mannose,etcUreaseAgar is a complex polysaccharide obtained from seaweed and cannot be digested by most microorganisms. Why does this property make agar an excellent solidifying agent for microbiological media?
- Which of the following best descrives UTI agar? Selective growth media; Differential Growth Media; Liquid growth media; all of the choices_____ kills pathogens and some spoilage organisms but does not sterilize substances. _____ kills pathogens and some spoilage organisms but does not sterilize substances. Tyndallization Autoclaving Pasteurization BoilingWhich of these are examples of epimers? Altrose & galactose Xylose & arabinose Lactose & mannose Ribulose & ribose