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Questions and Answers
What is the primary role of insulin in fatty acid metabolism?
What is the primary role of insulin in fatty acid metabolism?
- Increasing release of free fatty acids
- Activating lipolysis
- Transporting fatty acids across the inner mitochondrial membrane
- Activating lipogenesis (correct)
In diabetic ketoacidosis, which predominant ketone body is often elevated?
In diabetic ketoacidosis, which predominant ketone body is often elevated?
- Malate
- Acetone
- Malonyl-CoA
- Acetoacetate (correct)
Which enzyme catalyzes the conversion of acetoacetate to β-hydroxybutyrate?
Which enzyme catalyzes the conversion of acetoacetate to β-hydroxybutyrate?
- Acetyl-CoA carboxylase
- Carnitine palmitoyltransferase I
- β-hydroxybutyrate dehydrogenase (correct)
- Pyruvate carboxylase
What is the main ATP-generating process when palmitate is metabolized via the citric acid cycle compared to ketone bodies formation?
What is the main ATP-generating process when palmitate is metabolized via the citric acid cycle compared to ketone bodies formation?
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In which organelle do very long chain fatty acids undergo oxidation?
In which organelle do very long chain fatty acids undergo oxidation?
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What metabolic condition is associated with hypoglycemia due to impaired β-oxidation?
What metabolic condition is associated with hypoglycemia due to impaired β-oxidation?
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β-oxidation of fatty acids in the mitochondria results in the production of which molecule that enters the citric acid cycle?
β-oxidation of fatty acids in the mitochondria results in the production of which molecule that enters the citric acid cycle?
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β-oxidation requires the activation of fatty acids to which form before transportation across the inner mitochondrial membrane?
β-oxidation requires the activation of fatty acids to which form before transportation across the inner mitochondrial membrane?
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