Lecture 3: ATP and Metabolism in Living Cells Pt. 2 Flashcards
1
Q
what are the different compounds pyruvate can be converted to
A
- lactate
- oxaloacetate
- alanine
- acetyl-CoA
2
Q
what is involved in the conversion of pyruvate to acetyl-CoA
A
pyruvate dehydrogenase complex
3
Q
at which points are the flow of carbon atoms regulated
A
- conversion of pyruvate to acetyl-CoA
- entry of acetyl-CoA into the TCA cycle
- isocitrate dehydrogenase reaction
- α-ketoglutarate dehydrogenase reaction
4
Q
what are the electron shuttles and where are they most prevalent
A
- glycerol-3-phosphate shuttle in brain and muscle
- malate-aspartate shuttle in liver and heart
5
Q
what are anaplerotic reactions
A
reactions that replenish intermediates of the TCA cycle
