Hyrdogen peroxide. Qualitative and quantitative analysis
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1. Hyrdogen peroxide. Qualitative and quantitative analysis?
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- 1.Tabulate the similarities and differences between pasteurization and sterilisation, give examples. 2. Name a polysaccharide effective against gram positive bacteria. 3. What is effective against yeast when hydrolysed to methanol and CO2.Can you give me an example of a specific medium in culture media and fill the information below. General Information Specific a. Name of medium: b. Physical form: c. Category based on formulation: d. Purpose/uses/function: e. List of Ingredients and concentration (per 1000 ml) f. How to prepare?which of the following is best to sterilize heat-liable (sensitive) solutions? a, pasteurization b. autoclave c. dry heat d. filration e. none of the above
- 1.) During a laboratory activity, Chemical reactions from mixture of chemicals should be observed under which laboratory equipment? a.) autoclave b.) fume hood c.) Labaratory Safety cabinet d.) Centrifuge 2.) Which type of equipment contains a HEPA filter that only removes suspended materials from exhausted air? a.) Fume hood b.) Biosafety Cabinet I c.) Biosafety Cabinet II d.) Biosafety Cabinet IIIList 5 other methods of sterilization and describe the principle/s and when each method is used. What are the requirements to support microbial growth?1. Why does a precipitate form on Sierra's medium when incoulated with a lipolytic organism? Give the reasons and explain it thoroughly.
- 2. Gamma-hemolysis on a blood agar plate would likely appear: Select one: a. As no change in the medium b. Blue c. Yellow d. Green e. As a clearing.Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?
