M7: Microbial testing of water and food samples Flashcards
1
Q
What are examples of microbes the good kind in food?
A
- dairy products like yoghurt and sour cream as a result of fermentation
2
Q
the scientific name for fermentation in dairy?
A
Saccharomyces cerevisiae
3
Q
Why is water good for microbes?
A
acts as a reservoir and supports growth
4
Q
What symptoms do microbes in water cause and why?
A
- causes diarrhea, vomiting, kidney failure, and even death
- because of pathogens and cyanobacteria
5
Q
what are some methods for treating drinking water?
A
- filtration > mesh screens
- disinfection > chlorination, UV light
- fluoridation > prevents dental decay
6
Q
What is microbiology?
A
- process of microbes reproducing and creating colonies visible to the naked eye
7
Q
What do fungal and bacteria colonies look like?
A
bacteria
- small, shiny, colour, and more circular
fungal
- fuzzy and large
