Podcast
Questions and Answers
Which of the following is the final common central pathway for the oxidation of fuel molecules?
Which of the following is the final common central pathway for the oxidation of fuel molecules?
- Electron transport chain
- Oxidative phosphorylation
- Glycolysis
- Citric acid cycle (correct)
Which of the following is the most important regulated enzyme in the Citric acid cycle?
Which of the following is the most important regulated enzyme in the Citric acid cycle?
- Citrate synthase
- Alpha-ketoglutarate dehydrogenase complex (correct)
- Isocitrate dehydrogenase
- Succinate dehydrogenase
During fasting or starvation, what is the primary source of glucose for the body after liver glycogen is depleted?
During fasting or starvation, what is the primary source of glucose for the body after liver glycogen is depleted?
- Protein catabolism
- Ketogenesis
- Gluconeogenesis (correct)
- Fatty acid oxidation
Which organ is the major site of gluconeogenesis?
Which organ is the major site of gluconeogenesis?
What is the primary drive for the regulation of the Citric acid cycle?
What is the primary drive for the regulation of the Citric acid cycle?
Which of the following tissues are primarily dependent on glucose during fasting or starvation?
Which of the following tissues are primarily dependent on glucose during fasting or starvation?
Which process occurs as part of the response to stress situations such as fasting and is largely under hormonal control?
Which process occurs as part of the response to stress situations such as fasting and is largely under hormonal control?
What happens to the activity of PEPCK in response to insulin?
What happens to the activity of PEPCK in response to insulin?
Which hormone stimulates gluconeogenesis by lowering the level of fructose 2,6-bisphosphate?
Which hormone stimulates gluconeogenesis by lowering the level of fructose 2,6-bisphosphate?
What is the main reason for increased rates of gluconeogenesis leading to hyperglycaemia in diabetes?
What is the main reason for increased rates of gluconeogenesis leading to hyperglycaemia in diabetes?
Which compound inhibits Fructose 1,6-bisphosphatase, favoring gluconeogenesis over glycolysis?
Which compound inhibits Fructose 1,6-bisphosphatase, favoring gluconeogenesis over glycolysis?
What is the process that enables galactose to be synthesized from glucose via UDP-glucose?
What is the process that enables galactose to be synthesized from glucose via UDP-glucose?
'Galactosaemia' is characterized by the absence of which enzyme leading to the accumulation of galactose in tissues?
'Galactosaemia' is characterized by the absence of which enzyme leading to the accumulation of galactose in tissues?
'Galactosaemia' can lead to cataract formation due to which reaction depleting tissues of NADPH?
'Galactosaemia' can lead to cataract formation due to which reaction depleting tissues of NADPH?
'Galactosaemia' may contribute to glaucoma due to the accumulation of what in the eye?
'Galactosaemia' may contribute to glaucoma due to the accumulation of what in the eye?
'Duarte type' of 'Galactosaemia' is characterized by the rare absence of which enzyme leading to the accumulation of galactose in tissues?
'Duarte type' of 'Galactosaemia' is characterized by the rare absence of which enzyme leading to the accumulation of galactose in tissues?
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