Podcast
Questions and Answers
What is the key role of carnitine in transporting fatty acids across the inner mitochondrial membrane?
What is the key role of carnitine in transporting fatty acids across the inner mitochondrial membrane?
- Carnitine is essential for the conversion of acetoacetate to acetoacetyl CoA.
- Carnitine is responsible for converting acetyl CoA to acetoacetyl CoA.
- Carnitine facilitates the transport of free fatty acids into the mitochondria for β-oxidation. (correct)
- Carnitine is involved in the direct activation of β-hydroxybutyrate.
What is a factor that determines whether free fatty acids are used for esterification or β-oxidation?
What is a factor that determines whether free fatty acids are used for esterification or β-oxidation?
- Activity of Acetoacetyl CoA Synthetase
- Level of ATP in the blood
- Presence of citric acid in the mitochondria
- Availability of glycerol 3-phosphate (correct)
In which state is Carnitine Palmitoyl Transferase I activity inhibited?
In which state is Carnitine Palmitoyl Transferase I activity inhibited?
- Fasting state
- Starvation state
- Exercise state
- Fed state (correct)
How does impairment of β-oxidation of fatty acids affect blood glucose levels?
How does impairment of β-oxidation of fatty acids affect blood glucose levels?
What occurs when ketogenesis exceeds the body's ability to utilize ketone bodies?
What occurs when ketogenesis exceeds the body's ability to utilize ketone bodies?
Which process preferentially oxidizes ketone bodies over glucose and free fatty acids?
Which process preferentially oxidizes ketone bodies over glucose and free fatty acids?
What is the main difference between citric acid cycle and ketone bodies in terms of ATP generation?
What is the main difference between citric acid cycle and ketone bodies in terms of ATP generation?
Which factor would inhibit Carnitine Palmitoyl Transferase I activity?
Which factor would inhibit Carnitine Palmitoyl Transferase I activity?
What happens to ketone body concentration during ketosis?
What happens to ketone body concentration during ketosis?