Podcast
Questions and Answers
Where does the citric acid cycle occur in eukaryotes?
Where does the citric acid cycle occur in eukaryotes?
- Inner mitochondrial membrane
- Mitochondrial matrix (correct)
- Cytosol
- Cytoplasm
What is the primary purpose of the citric acid cycle?
What is the primary purpose of the citric acid cycle?
- To transport hydroxyl ions across the inner mitochondrial membrane
- To form acetyl-CoA
- To produce NADH and FADH2
- To oxidize pyruvate to CO2 and generate ATP (correct)
What is the importance of the sulfhydryl group in coenzyme A?
What is the importance of the sulfhydryl group in coenzyme A?
- It increases the stability of the coenzyme
- It transports CO2 in metabolic pathways
- It is responsible for capturing the acetyl group in a high-energy form (correct)
- It acts as an electron carrier in oxidative phosphorylation
What maintains charge balance on either side of the inner mitochondrial membrane (IMM) during pyruvate transport?
What maintains charge balance on either side of the inner mitochondrial membrane (IMM) during pyruvate transport?
Which vitamin plays a crucial role in activating carriers like coenzyme A in metabolic pathways?
Which vitamin plays a crucial role in activating carriers like coenzyme A in metabolic pathways?
Where does pyruvate get completely oxidized to CO2 in the presence of oxygen?
Where does pyruvate get completely oxidized to CO2 in the presence of oxygen?
Which organelle's inner membrane contains many transporters for moving citric acid cycle intermediates?
Which organelle's inner membrane contains many transporters for moving citric acid cycle intermediates?
What is the fate of pyruvate in the absence of oxygen?
What is the fate of pyruvate in the absence of oxygen?
What feature of the outer mitochondrial membrane allows small molecules to pass through?
What feature of the outer mitochondrial membrane allows small molecules to pass through?
Which part of the mitochondrion is characterized by many infoldings into the matrix known as cristae?
Which part of the mitochondrion is characterized by many infoldings into the matrix known as cristae?
