12 Questions
What is the main component of VLDL synthesized in the liver?
Triglycerides
Which apolipoprotein activates lipoprotein lipase?
Apo CII
What is the result of the degradation of VLDL in the circulation?
Conversion to IDL
What is the primary function of HDL?
Removing fats and cholesterol from cells
What is the final destination of cholesterol in the liver?
Bile
What is the term for the process of transporting cholesterol from extrahepatic cells to the liver?
Reverse cholesterol transport
What is the primary function of lipoproteins in the body?
To transport lipids in the blood
What is the main component of the core of lipoproteins?
Neutral lipids
What is the role of apolipoproteins in lipoprotein particles?
To act as cofactors for enzymes
What is the primary function of chylomicrons?
To carry dietary triglycerides and cholesteryl ester from enterocytes to the liver
What is the role of ApoCII in chylomicron metabolism?
To activate lipoprotein lipase
What happens to the glycerol component of triglycerides after TAGs break down in chylomicron metabolism?
It is transported to the liver
Lipoproteins are clusters of proteins and lipids that function in transporting lipids in the blood. They contain a core of neutral lipids and a surface coat of polar lipids and apolipoproteins. Learn about the classification of lipoproteins based on their size and density.
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