96. Bacteria normally living in human colon A. have a symbiotic relationship wit
ID: 145804 • Letter: 9
Question
96. Bacteria normally living in human colon A. have a symbiotic relationship with the Human B. produce all the vitamins and minerals for the human C. cause cramps and diarrhea D. are considered germs 97. Which of the following is NOT true on food safety? A. food leftovers must be refrigerated immediately, and reheated only once B. when reheating beef stew, it must be heated to temperature above 140 degrees F reezing kills microbes, so freezing foods are a good way to reduce the number of bacteria in meat when your chicken and rice soup is served, it should be discarded after 3 hours of sitting at room temperatu 8 Bacteria that causes food poisoning makes you sick by Ainfection B. IntoxicationExplanation / Answer
96. The correct option is
A. have a Symbiotic relationship with the Human.
Normally living bacteria in human colon are considered good for health. They form mutually beneficial relationships. There are a few strains which synthesise vitamins but they do not produce ALL vitamins and minerals. Infection are mainly arisen from other bacteria not these normally living ones.
97. C. This is the appropriate option as freezing do kill microbes, instead it slows down their growth.
98. A. Infection is the way bacteria causes food poisoning. Intoxication usual occurs from abiotic factors such as carbon monoxide or alcohol.
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