Podcast
Questions and Answers
Which of the following statements about lipids is NOT true?
Which of the following statements about lipids is NOT true?
- Lipids are diverse and hydrophobic.
- Lipids are more reduced than carbohydrates.
- Lipids are primarily composed of nitrogen and phosphorus. (correct)
- Lipids contain carbon, hydrogen, and oxygen, but fats contain more hydrogen and less oxygen.
Which of the following is NOT a class of lipids?
Which of the following is NOT a class of lipids?
- Fatty acid derivatives
- Vitamins A, D, E, and K
- Hydroxy-methyl-glutaric acid derivatives
- Amino acid derivatives (correct)
Which of the following is a fatty acid derivative?
Which of the following is a fatty acid derivative?
- Cholesterol esters
- Triacylglycerols
- Bile acids
- All of the above (correct)
What is the primary function of triacylglycerols (TG) in the body?
What is the primary function of triacylglycerols (TG) in the body?
Which of the following hormones promotes the storage of triacylglycerols?
Which of the following hormones promotes the storage of triacylglycerols?
Which of the following is NOT involved in the metabolism of triacylglycerols (TG) in the small intestine?
Which of the following is NOT involved in the metabolism of triacylglycerols (TG) in the small intestine?
What is the primary function of phospholipids in the body?
What is the primary function of phospholipids in the body?
Which of the following lipids is derived from hydroxy-methyl-glutaric acid (C6 compound)?
Which of the following lipids is derived from hydroxy-methyl-glutaric acid (C6 compound)?
What is the primary function of bile acids and bile salts?
What is the primary function of bile acids and bile salts?
Which of the following vitamins is classified as a lipid?
Which of the following vitamins is classified as a lipid?
What is the main role of glycerol derived from the hydrolysis of dietary triacylglycerols in the liver?
What is the main role of glycerol derived from the hydrolysis of dietary triacylglycerols in the liver?
Which hormones activate the enzyme hormone-sensitive lipase for hydrolysis of adipose tissue triacylglycerols?
Which hormones activate the enzyme hormone-sensitive lipase for hydrolysis of adipose tissue triacylglycerols?
Why do red blood cells lack the ability to oxidize fatty acids?
Why do red blood cells lack the ability to oxidize fatty acids?
Which vitamin is part of the Coenzyme A complex required for fatty acid activation?
Which vitamin is part of the Coenzyme A complex required for fatty acid activation?
What inhibits the transportation of activated fatty acids into mitochondria for oxidation?
What inhibits the transportation of activated fatty acids into mitochondria for oxidation?
What clinical problem is caused by a defect in mitochondrial fatty acid transport system according to the text?
What clinical problem is caused by a defect in mitochondrial fatty acid transport system according to the text?
What is the main product of beta-oxidation of fatty acids that remains after each cycle?
What is the main product of beta-oxidation of fatty acids that remains after each cycle?
Where does lipogenesis (synthesis of fatty acids) primarily occur in the cell?
Where does lipogenesis (synthesis of fatty acids) primarily occur in the cell?
'Esterification to triacylglycerols for storage in adipose tissue' is the fate of excessive intake of which macronutrients?
'Esterification to triacylglycerols for storage in adipose tissue' is the fate of excessive intake of which macronutrients?
How is the enzyme involved in lipogenesis regulated by insulin?
How is the enzyme involved in lipogenesis regulated by insulin?
