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In terms of food items, bacteria typically attack:
- cereal grains.
- soft-skinned vegetables.
- meats and dairy products.
- acidic fruits.
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- The following will prevent the growth of bacteria: Keeping food at room temperatureKeeping food hotKeeping food coveredKeeping food coldThe term "turbidity" in microbiology refers to: a cloudy appearance in broth, meaning microorganisms did grow a cloudy appearance in broth, meaning microorganisms did not grow a clear appearance in broth, meaning microorganisms did not grow the clump of cells at the top of a broth a clear appearance in broth, meaning microroganisms did growexplain about intrinsic and extrinsic factors in food microbiology.
- What are the advantages and disadvantages of having microbes in your food?What microbes are found in the following foods? –Country-cured ham –Dry sausages –Coffee beans –Miso –Poi –Olives –San Francisco Sourdough breadAll of the following are ways microorganisms adapt to limited nutrients except: synthesize increased amount of enzymes for uptake and metabolism of limited nutrients form metabolically active highly resistant endospores synthesize enzymes needed to use a different nutrient acetic acid adjust the rate at which they metabolize nutrients
- 1) A) What are the main reasons of food poisoning?B) What are the main types of biodeterioration? Give a briefaccount on bioremediation and biomining as an example.2) A) Give short notes on food preservation methods.B) What are the main characteristics that should be in theindustrial microbes?3) A) "Rennet" is a very important process for one of the foodindustries. Give short notes on this important industry.B) How a bioreactor is optimized? Discuss in brief the twomain processes that lead to the final product.Microbes are exposed to a wide variety of environmental factors that affect growth and survival. By giving two (2) examples, discuss how the microbial survival in various environmental conditions has been used to understand its ability to make flavorful and long shelf-life type of foods.Which of the following has a estimated pl 47 TO Oa) RAKE Ob) CAKE OO HEAD Od) DEAD
- If high temperatures are most effective at killing microbes, what statement correctly explains why some food products are treated with temperatures below the boiling point of water? Extremely high temperatures would destroy the food's nutritional value. Extremely high temperatures would significantly lower the food's shelf life. Extremely high temperatures can destroy the food's desirable characteristics. Extremely high temperatures promote the growth of some microbes.Sewage works use microbes in many ways to break down organic matter. Which of the following processes is NOT carried out? Pathogenic bacteria and viruses are added to the input sewage as a tracer and to ensure the processes have all worked well Bacteria and archaea are used in sludge digesters to breakdown organic matter anaerobically Bacterial trickle filter beds have a wide variety of microbes to break down organic matter Activated sludge selects for Gram negative bacteria that break down wasteHigh risk foods for spreading bacteria are those that contain high levels of protein. True or False?