Podcast
Questions and Answers
Which enzyme catalyzes the condensation of acetyl group with oxaloacetic acid to form citric acid in the TCA cycle?
Which enzyme catalyzes the condensation of acetyl group with oxaloacetic acid to form citric acid in the TCA cycle?
Citrate synthase
What is the summary equation of the Krebs’ cycle in terms of the products generated from the breakdown of a glucose molecule?
What is the summary equation of the Krebs’ cycle in terms of the products generated from the breakdown of a glucose molecule?
6 CO2, 8 NADH+H+, 2 FADH2, 2 ATP
How are electrons transferred from NADH to ubiquinone in the electron transport chain?
How are electrons transferred from NADH to ubiquinone in the electron transport chain?
Electrons are transferred from NADH to ubiquinone through NADH dehydrogenase (complex I) and FADH2 (generated in the citric acid cycle) in complex II.
What role does cytochrome c play in the electron transport chain?
What role does cytochrome c play in the electron transport chain?
What is the function of the Electron Transport System (ETS) in relation to the TCA cycle?
What is the function of the Electron Transport System (ETS) in relation to the TCA cycle?
How is ATP produced during the electron transport chain?
How is ATP produced during the electron transport chain?
What is the respiratory quotient (RQ) for carbohydrates and why is it equal to 1?
What is the respiratory quotient (RQ) for carbohydrates and why is it equal to 1?
What is the respiratory quotient (RQ) for proteins and why is it 0.9?
What is the respiratory quotient (RQ) for proteins and why is it 0.9?
Why is the respiratory quotient (RQ) for fats typically less than 1?
Why is the respiratory quotient (RQ) for fats typically less than 1?
Why are pure proteins or fats not used as respiratory substrates in living organisms?
Why are pure proteins or fats not used as respiratory substrates in living organisms?
