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3. Which lipoprotein is responsible for transferring cholesterol from peripheral tissues to the liver?

A. Chylomicrons
B. VLDL
C. LDL
D. HDL

4. Which of the following is the smallest lipoprotein in terms of size?

A. Chylomicron
B. HDL
C. VLDL
D. LDL


Sagot :

Final answer:

LDL transfers cholesterol to the liver while HDL removes cholesterol from tissues. VLDL carries triglycerides from the liver before converting into IDL.


Explanation:

LDL (Low-Density Lipoprotein) is responsible for transferring cholesterol from peripheral tissues to the liver. It carries cholesterol and other lipids from the liver to tissues in the body, making it the 'bad cholesterol.' On the contrary, HDL (High-Density Lipoprotein) is responsible for removing cholesterol from tissues and transporting it back to the liver, known as 'good cholesterol.' VLDL (Very Low-Density Lipoprotein) is synthesized in the liver from remnants of chylomicrons, transporting triglycerides from the liver to various tissues before converting into intermediate-density lipoproteins.


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