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What chemical constituents and properties of milk make it an excellent medium for the growth of microorganisms?
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- Explain the changes that milk undergoes when suitable starter / inoculum is added to it . How does the end product formed prove to be beneficial for human health ?Provide the conditions (e.g., intrinsic properties, storage conditions, etc.) that will make the recovery of the following microorganisms in commercially sterile foods acceptable: a) Obligate thermophilic sporeforming bacteria b) Acid-tolerant microorganisms c) Mesophilic or thermophilic sporeformersAgar 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?
- Aside from Paraffin, what is your recommended infiltrating medium for routine purposes? why?Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Why are petri dishes incubated in an inverted position? Of what advantage is the using a solid and a liquid medium?What is the main role of glycogen in wound hydrogel dressing?
- Can the resazurin reduction test be used to determine whether a milk is properly pasteurized or under pasteurized? Explain.Why does honey stay at room temperature for months/years without "spoiling" or being affected by bacterial growth?What is the difference between the use of Peppermint oil and Cinnamon oil in Veterinary Medicine to treat the bacterial infections Escherichia coli and Staphylococcus?