Quiz
Lipoprotein Metabolism
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Questions in this quiz (12)
1When the LDL first binds to the receptor, what is internalised?
- AThe lipoprotein
- BThe bound receptor
- CThe antigens
2An uncoated clathrin vesicle has lost the clathrin it was previously coated with
- ATrue
- BFalse
3What happens to the LDL receptors once they've been internalised?
- AThey're removed the vesicle and returned to the cell surface
- BThey're removed the vesicle and destroyed
- CThey're removed the vesicle and altered into different receptors
4How is the LDL broken down?
- ApH change
- BSalinity change
- CInc in protease concentration
5LDL's are broken down into amino acids, fatty acids and triacylglycerols
- ATrue
- BFalse
6Fatty acid oxidation is done in the mitochondria
- ATrue
- BFalse
7The cleavage of 2C from a fatty acid chain does what?
- AReleases oxidative energy
- BReleases 2C for substrate dependent oxidation
8VDL's are created in the small intestine, chylomicrons in the liver
- ATrue
- BFalse
9Name the two enzymes that allow lipids to be removed from lipoproteins for use in the cell
- ALipoprotein lipase
- BLecithin-Cholesterol Acetyl Transferase
10Removal of lipids from fatty acids leave remenants behind in the blood
- ATrue
- BFalse
11Two things can happen to these remnants, what are they?
- AUptake into cells for conversion into other lipoproteins
- BConversion to LDL's in the blood
- CConversion to VDL's in the intestines
12What is the role of the Overflow Pathway?
- AConversion of LDL's into HDL's so they can be returned to the liver
- BConversion of remnants to LDL's that stick to arterial walls
- CConversion of Chylomicrons to VLDL
Information
- Description
- Year 2 (Lipids) Quiz on Lipoprotein Metabolism, created by gina_evans0312 on 24/01/2014.
- Author
- gina_evans0312
- Language
- English
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- 1,444
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