Lipids - Lipid digestion and absorption
18 important questions on Lipids - Lipid digestion and absorption
To what are trigliserides broken down?
What are the enzymes that help with fat digestion?
- pancreatic lipase (pancreas)
- gastric lipase (stomach), not for digestion but for detection
- lingual lipase (seliva), not for digestion but for detection
What is bile acid?
- It functions as an emulsifier
- It is made of cholestrol
- it breaks fat up and lipase has easyer acces to the fat.
- It is produced in the liver form cholestorl and storred togheter with cholestrol and phospholipids in the gall blatter.
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What is CCL (chlorcystokinin)?
The hormone itself triggers gallblatter ontraction to release its content in the duodendum.
What is cholic acid?
Released with gall blatter contration.
Attached to AA taurine or glycine. You will get glycocholate or taurocholate.
This are conjegated bile acids.
What is the fuction of bile acids?
What happens to micelles in the body?
What happens to triglycerides in the body when eaten?
mucles -> need the enrgy
adipose tissue: storrage of fat (exess energy source)
What happens if you don't eat for a while?
What happens if your LDL recepetor works bad or well?
Works well: low chanse of hart disease (low cholestorl in blood)
What does insulin doe with lipoprotien lipase?
How is fat broken down for energy?
These acetyl-coA go into tricarboxylic acid cyle (TAC) and NADH or FADH is formed wich lead to ATP.
This second step was the citric acid cucle.
What can faty acids do to genes?
How are fatty acids stored?
Fat cells --> large lipid droplets
muscle/many others --> small lipid droplets.
What is the function of cholestrol?
- Making of bile acids for digestion of fats
- Make certain hormones
- Component of cell membrane.
Is cholestrol a nutrient?
1/3 comes from consumption.
What is the cholestrol input?
What is the cholestrol output?
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