Microbiology Quiz #5

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Last updated: May 4, 2024

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First submitted	May 4, 2024
Times taken	6
Average score	33.3%
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Hint	Answer
Which bacteria causes dental caries?	Streptococcus mutans
Where would you find Micorococci in the body?	Skin
Which type of reproduction slows down evolution – where new mutations in different individuals can’t get together.	Clonal
Where would you find Staphylococci (principally S. epidermidis) in the body?	Skin
Where would you find Candida spp. in the body?	Skin
Where would you find enterococcus faecalis in the body?	Small Intestine
Where would you find E. coli in the body?	Small Intestine
Where would you find Propionibacteria spp. in the body?	Skin
Where would you find lactobacilli in the body?	Small Intestine
Which type of bacteria predominantly colonise the epidermis?	Gram +ve
The collective genome of all microorganisms living on the human body	Metagenome
Non pathogenic bacteria residing in the stomach which can cause stomach ulcers	Helicobacter pylori
Where would you find Bifidobacterium bifidum in the body?	Large Intestine
Where would you find lactic acid bacteria in the body?	Large Intestine
A host-associated community of commensal, symbiotic and pathogenic microorganisms	Microbiome
Where would you find Bacteroides in the body?	Large Intestine
Where would you find Corynebacteria spp. in the body?	Skin
Which type of bacteria can produce lipases which use triglycerides as a substrate to produce fatty acids, causing inflammation?	Propionibacterium
Which parts of the GI tract allows for some limited microbial growth due to high amounts of bile salts and pancreatic secretions?	Jejunum/Duodenum
Which method do bacteria use to swap genes within and between species?	Horizontal gene transfer/HGT
Which part of the stomach contains the microbiome?	Mucosal Layer

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