10 Questions
What triggers the mobilization and degradation of TAG in adipocytes?
Hormone sensitive lipase
What are the precursors for the biosynthesis of TAG and PL?
Glycerol-3-PO4 and fatty acyl CoA
Where does the breakdown product of TAG get taken up when energy is needed?
Skeletal muscles, kidney and liver
In which organisms are fatty acids from the diet incorporated in TAG?
Non-growing organisms
What is the common precursor for both TAG and PL?
Phosphatidic acid
What are the precursors for the biosynthesis of TAG and PL?
Glycerol-3-PO4 and fatty acyl CoA
In which organisms are fatty acids from the diet incorporated in TAG?
Non-growing organisms
What triggers the mobilization and degradation of TAG in adipocytes?
Hormones
Where does the breakdown product of TAG get taken up when energy is needed?
Skeletal muscles, kidney, and liver
What is the common precursor for both TAG and PL?
Phosphatidic acid
Study Notes
Triglyceride (TAG) Mobilization and Degradation
- Hormone-sensitive lipase (HSL) triggers the mobilization and degradation of TAG in adipocytes.
Biosynthesis of TAG and Phospholipids (PL)
- Precursors for the biosynthesis of TAG and PL are glycerol-3-phosphate and fatty acids.
- Glycerol-3-phosphate is the common precursor for both TAG and PL.
Fatty Acid Incorporation
- Fatty acids from the diet are incorporated into TAG in animals.
TAG Breakdown and Uptake
- When energy is needed, the breakdown product of TAG (fatty acids) gets taken up by the liver.
Test your knowledge of lipid metabolism with this quiz on the biosynthesis and metabolism of triacylglycerol. Explore the fate of fatty acids from diet and the storage capacity of TAG in the human body. Gain insights into the synthesis of TAG and phospholipids from glycerol-3-phosphate and fatty acyl CoA.
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