1. What are the Biosafety Levels? 2. Provide information about working areas at different biosafety levels. How should the devices be according to the levels, give examples with photographs.
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- f. Which type of milk, the carabao or cow’s milk, would give farmers orcheese-makers a higher profit? Explain why.g. Why is toxicological evaluation important in using microbial rennet forcheese production?h. Describe the two forms of microbial “BIOTECH” rennet that arecommercially available. What are the pros and cons of using the pelletand the liquid form?i. Enumerate and describe each process involved in cheese-making using themicrobial rennet.Draw a Problem tree and a Solution tree for food contamination. Submit a LFA Matrix with this Overall Objective this problem in light of your expertise1. What is e-waste?2. Why is e-waste hazardous?3. What practical ways can you minimize your e-waste? please cite references
- Categorize the following as to whether they are advantagesor disadvantages of bioremediation:——Advantages (a) Lower costs——Disadvantages (b) Longer time requirement (c) Destruction of target chemi cals at the contamination site (d) Lack of refinement for deal ing with mixed contaminants (e) Genetically engineered microbesmatch coloumn a to coloumn b coloumn a coloumn b 11. Safe drinking water is totally free from chemicals.12. Total bacteria present in water samples from water vending machines isdetermined using an enzyme-substrate test. 13. All water samples from the La Trinidad water district must report <1.1 MPNper 100 mL total coliform to comply with DOH standards. FALSE All water samplesfrom the La Trinidad water district must report <1.1 MPN per 100 mLthermotolerant coliform to comply with DOH standards.14. Baguio ice plant and cold storage samples must be tested with the presenceof total bacteria, total coliform, and thermotolerant coliform once a month.15. A water sample that contains beyond the maximum acceptable level oftotal coliform must be retested. a. true b. false3. Which percentage of medical waste is infectious or hazardous? A) 25% B)50% C)75% D) 85%
- Explain step of microbial risk assessment of seafood I want it for fish and sea food.What features of municipal and premise waterdistribution systems might contribute to a microbialhealth hazard? Why might showering increase yourexposure to opportunistic pathogens?Which of the following would you expect if you let surfaces stay wet for 5 minutes instead of 10 minutes? A A smaller percentage of the microbes would be killed. B Time does not play a role in how successful a disinfectant treatment is, so a 5 minute application will kill the same percent of the total population as a 10 minute application. C The germicide would remove just as many total microbes; 10 minutes is definitely more time than is necessary.
- Phytoremediation, mycoremediation, bioinventing, biobleaching, landfarming, biorector, composting, bioaugmentation, rhizofiltration, biostimulation are all examples of Bioremediation. Bioremediation means… A. use of natural organisms to clean contaminants B. Determination of the relative strength of a substance by comparing its effect on a test organism with that of a standard preparation C. The removal and examination of tissue, cells, or fluids from the living body D. Having normal biological capability or performance enhanced by or as if by electronic or electromechanical devicesDiscuss a selected local fermented food or drink in Ghana giving particular attention to the fermentation procedure (natural or controlled culture),desired products,byproducts and the key fermentative microbes involved.give at least guidelines of each of the Biosafety Levels, and identify the microorganisms considered in each level.