11 Questions
What is the primary function of apoC-II in chylomicrons?
To activate lipoprotein lipase in capillaries
Where are chylomicrons synthesized?
In the ER of epithelial cells lining the small intestine
What is the main lipid component of chylomicrons?
Triacylglycerols
Where do chylomicron remnants ultimately end up?
The liver
What is unique to chylomicrons among lipoproteins?
Apolipoprotein B-48
What is the primary destination of dietary triacylglycerols carried by chylomicrons?
Adipose tissue
How do chylomicrons enter the bloodstream?
Through the lymphatic system and the left subclavian vein
What is the function of apolipoproteins in lipoproteins?
To target lipoproteins to specific tissues
What is the characteristic of chylomicrons that makes them the largest of the lipoproteins?
High triacylglycerol content
What is the fate of chylomicron remnants after they reach the liver?
They are degraded by enzymes
What is the role of lipoprotein lipase in chylomicron metabolism?
To release free fatty acids to tissues
Test your knowledge of lipoproteins, their main lipid components, and apolipoproteins. This quiz covers chylomicrons, VLDL, LDL, HDL, and ketone bodies.
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