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Decomposition is process of decaying of materials.
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- Is the telluride glycine agar? (TGA) a complex or defined medium? Explain based on its composition. What kind of Media is TGA explaining based on what kind of microorganisms it allows to grow?The following ingredient list represents which type of growth media? Beef extract 1.5 g Yeast extract 3.0 g Peptone 6.0 g Glucose 1.0 g Agar 15.0 g water 1000 ml pH 6.6Sugar Utilization medium (Containing trehalose, sucrose, trehalose, Mannose,etcUrease
- Clostridium tetani is a common soil bacterium and causes tetanus. Would you expect tetani to possess the enzyme catalase? Explain. Research on the growth requirements of this bacterium is required.Agar 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?essential oils have been studied as potential antimicrobial agents. These naturally occuring compounds are linked to having the following type of activity in clinical trials: virucidal, septicidal, bactricidal, fungicidal
- In an epoxidation lab, why is it important to continue stirring vigorously in order to get a good yield?Name at least one reason that we might want to use a Winogradsky column rather than a laboratory medium such as nutrient agar or beef heart agar. Describe why metabolism in the presence of oxygen might cause problems for microorganisms.Explain how to prepare 250 ml liquid and 500 ml solid form separately from LB (Luria Bertani) medium whose components and concentrations are given below. Yeast extract 5 g/L Peptone 10 g/L NaCl 10 g/L Agar 1.5 g/L
- Identify the function of the following enzymes: Superoxide dismutase (SOD)Detergents that are good micelle formers often have strongantibacterial properties. Considering the structure of thecell membrane, suggest a reason for this antibacterialaction.The optimum growth pH for a microorganism is usually: 4,5,7 or 8