What are the general concepts of microbial metabolism and explain each concepts? (Give at least 4 concepts)
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- Discuss the following statement: ‘Microbial metabolisms are coupled acrossthe anoxic-oxic interface in several environments.’ Draw on at least threespecific examples to support your arguments.You have been working in the quality control lab at Koo for a month when you noticed a dramatic increase in the incidence of thermophilic incubator spoilage of canned sweet corn produced by the company. Describe the steps you would use to determine the cause of the increased spoilage. Your discussion must include the procedures you would use to determine the thermal death time and the D-value of the spoilage organism.What is the importance of fermentation to microbial metabolism? Please include citation.
- (a) What is scale-up? Why do we need to scale-up microbial fermentation?(b) What are the stages of scaling up a process from lab scale to industrial scale?Find the ways to increase the yield and decrease the cost for production of commercially importantmetaboliteby using microbial system. Explain by giving an example.Compare and contrast oxygen requirements for obligate anaerobes and microaerophiles. Describe one laboratory media that can cultivate microbes with various oxygen requirements. Include the chemistry and how obligate anaerobes and microaerophiles would look if grown on this media.
- Classify the electron holders used by microorganisms according to the rate of biodegradation. What advantages and disadvantages does this provide in terms of biodegradation?how are microorganisms are involved in the production of lagers? include the process of bioconversion, biomass or metabolite production, and the specific microorganism or cell structure involved.What are the different types of microbial metabolic and physiological needs and related them to food preservation