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Questions and Answers
What are the main components of dietary lipids?
What are the main components of dietary lipids?
- Triglycerides, cholesterol esters, monoglycerides, bile acids
- Triglycerides, cholesterol, fat-soluble vitamins, bile acid micelles
- Triglycerides, phospholipids, free fatty acids, cholesterol (correct)
- Phospholipids, monoglycerides, free cholesterol, bile acid micelles
How are dietary triglycerides digested in the stomach and duodenum?
How are dietary triglycerides digested in the stomach and duodenum?
- By gastric lipase and emulsification from vigorous stomach peristalsis (correct)
- By pancreatic lipase and bile acid micelles
- By gastric lipase and bile acid micelles
- By pancreatic lipase and emulsification from vigorous stomach peristalsis
What happens to dietary cholesterol esters in the intestine?
What happens to dietary cholesterol esters in the intestine?
- They are de-esterified into free cholesterol (correct)
- They are reassembled into triglycerides
- They are solubilized in the intestine by bile acid micelles
- They are absorbed into enterocytes
How are monoglycerides, free fatty acids, and free cholesterol solubilized in the intestine?
How are monoglycerides, free fatty acids, and free cholesterol solubilized in the intestine?
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What are the components packaged into 'nascent' chylomicrons once absorbed into enterocytes?
What are the components packaged into 'nascent' chylomicrons once absorbed into enterocytes?
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