Micro Biology > EXAM > STRAIGHTERLINE Microbiology BIO 250L Lab 6 Food Microbiology 2022 COMPLETE LAB WORKSHEET (All)
1. Escherichia coli is one of the most common causes of foodborne illness, yet it is also a common microorganism found within the human gut. What explains this disparity? Harmful E. coli that are in... polluted food and water are a straine of E.coli called Enterohemorrhagic strains. Harmless strains are part of the normal microflora of the gut. These benefit the host by producing vitamin K. Without these harmless strains we would not be able to produce vitamin Kand would have to depend on supplements. 2. There are several foods and beverages listed in this lab that are created through the actions of microorganisms. Name five of the foods and the specific microorganisms that are used to make each of them. Yogurt- Lactobacillus, Milk- Listeris monocytogenes, Cheese- Lactococcus, Lactobacillus, and Streptococcus families, Breead- Saccharomyces cerevisiae, Frute- E.coil. 3. Using an online research tool such as the A-Z index on the CDC website, explain why Listeria monocytogenes is a major threat to pregnant women and their developing fetuses, who are ten times more likely to get sick than other demographic groups [Show More]
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