Microbiota

Which SCFA is increases glucose production in the liver and cholesterol metabolism? It can be generated from a lot of different kinds of substrates made by other microbes.

• Butyrate

• Propionate

• Acetate

• Valeric Acid

Which SCFA decreases inflammation in the gut and body overall, acting as a protective factor against diseases such as Alzheimer's and diabetes?

• Butyrate

• Propionate

• Acetate

• Crotonic acid

What is the role of plant molecules such as polyphenols and carotenoids?

• They provide us with energy directly

• They act as food for microbes, fueling the production of SCFAs

• They enhance appetite

• They provide fuel for infectious pathogens

Which type of bacteria is primarily responsible for the production of butyrate in the human gut microbiota?

• Bacteroides

• Firmicutes

• Proteobacteria

• Actinobacteria

What is the primary role of the gut microbiota in the human body?

• Digestion of proteins

• Synthesis of vitamins

• Regulation of blood pressure

• Production of red blood cells

Tags

NGSS.HS-LS2-3

Which of the following is a common method used to study the composition of microbiota?

• X-ray imaging

• 16S rRNA sequencing

• MRI scanning

• CT scanning

How does the gut microbiota influence the immune system?

• By producing antibodies

• By regulating immune cell production

• By directly attacking pathogens

• By producing insulin

Which short-chain fatty acid (SCFA) is known for its anti-inflammatory properties in the gut?

• Acetate

• Butyrate

• Propionate

• Valerate

What is the effect of antibiotics on gut microbiota?

• Increase microbial diversity

• Decrease microbial diversity

• No effect

• Only affect harmful bacteria

Which of the following foods is known to promote a healthy gut microbiota?

• Processed meats

• Sugary snacks

• Fermented foods

• Fried foods