Human Microbiome 1 Flashcards
Symbiosis
relationship between two organisms living in contact with each other for beneficial, neutral, or harmful effects
Mutualism
Beneficial to both partners and it is obligatory
Cooperation
Beneficial to both partners and is not obligatory
Commensalism
Beneficial to one partner and neutral to the other
Parasitism
Beneficial to one partner and harmful to the other
Which type of symbiosis is required for the two partners to exist?
Mutualism
What are the four categories of symbiosis?
Mutualism
Cooperative
Commensalism
Parasitism
(T/F) Symbiosis is always beneficial to at least one partner
True!
(T/F) The human micro biome refers to ALL microorganisms that are associated with a host
True!
Even though there is disparity between the ___ of microbes, they share very similar ___ in each subject
Distribution
Biological functions
What is the greatest biological function of human microbiota?
Central carbohydrate metabolism
(T/F) Humans rely on microbial flora to digest disaccharides
False!
Polysaccharides
Human microbial flora digest polysaccharides into ___ sugars, which can then either be metabolized by the ___ or by the ___
Monomeric
Host (humans)
Intestinal bacteria
Digestion of polysaccharides into monomeric sugars produces fermentation products such as ___ and ___
Which one is used for biosynthesis in humans?
Acetic acid and propionic acid
Acetic acid
How was human micro biome found in the past?
What was the only kind of organisms found?
By isolating and culturing individual organisms and performing biochemical and growth tests
Only the most predominant organisms were found
