BIO 250L Lab 6 Food Microbiology Straighterline 2023

“Pre-Lab Questions” 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? This is due to the fact that some E Coli have components that are thought to have an alien structure. Infection is primarily brought on by this. 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. Lactobacillus, yogurt E. coli in fruit Saccharomyces cerevisiae, a type of bread Monocytogenes in milk Lactococcus in cheese 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. Pregnant women face a serious risk from Listeria monocytogenes because this particular disease damages the placenta, which is where the fetus is developing. “EXPERIMENT 1: Assessing the Bacterial Load of Milk with Methylene Blue Results Tables Table 1: Time Required for Methylene Blue Color Change