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Lipid Storage and Synthesis

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Questions and Answers

What is the primary function of lipid storage in the body?

To store excess energy for long-term use (correct)
To provide immediate energy for the body
To regulate blood sugar levels
To facilitate the transport of carbohydrates

Where does fatty acid synthesis primarily occur?

In the mitochondria
In the cytoplasm (correct)
In the endoplasmic reticulum
In the nucleus

What is the role of apoproteins in lipoprotein complexes?

To facilitate the transport of TAGs in the bloodstream (correct)
To regulate cholesterol levels in the blood
To inhibit the synthesis of fatty acids
To provide structural support to the complex

What is the charge on TAGs?

Neutral (B) Signup and view all the answers

What happens to glycerol phosphate once FA binds to it?

It forms a TAG molecule (D) Signup and view all the answers

What is the primary source of glycerol phosphate in the body?

Excess glucose (C) Signup and view all the answers

What is the primary function of apo B-48 in the transport of exogenous dietary TAGs?

Structurally organizing the chylomicron (D) Signup and view all the answers

Where are endogenous fats synthesized in the body?

Liver (B) Signup and view all the answers

What is the result of LPL activation on VLDLs in the circulation?

Hydrolysis of VLDL into fatty acids and glycerol (A) Signup and view all the answers

What is the primary function of HDL in lipid metabolism?

Removing excess cholesterol from peripheral tissues (A) Signup and view all the answers

What happens to the glycerol component of TAGs after hydrolysis by LPL?

It is transported to the liver for gluconeogenesis (D) Signup and view all the answers

What is the role of apo A-1 in HDL function?

Facilitating the removal of cholesterol from peripheral tissues (B) Signup and view all the answers