10 Questions
Which process generates a proton gradient across the inner mitochondrial membrane?
Electron transport chain
What is the purpose of ATP Synthase in oxidative phosphorylation?
To convert ADP to ATP
Which molecules are oxidized via the electron transport chain?
NADH and FADH2
What is the role of the mitochondria in aerobic respiration?
To synthesize ATP
What is the main function of the citric acid cycle?
To remove electrons from NADH and FADH2
Which molecules are removed in the electron transport chain in the mitochondria?
NADH and FADH2
What is the process called that generates a proton gradient across the inner mitochondrial membrane?
Electron transport
What is the complex that uses the proton gradient to synthesize ATP from ADP and inorganic phosphate (Pi)?
ATP Synthase
Which organelle is associated with all of these pathways: electron transport chain, oxidative phosphorylation, and citric acid cycle?
Mitochondria
What molecules are generated by the citric acid cycle and then oxidized via the electron transport chain?
NADH and FADH2
Study Notes
Electron Transport Chain and ATP Synthesis
- The process that generates a proton gradient across the inner mitochondrial membrane is the electron transport chain.
- The purpose of ATP Synthase in oxidative phosphorylation is to use the proton gradient to synthesize ATP from ADP and inorganic phosphate (Pi).
- The electron transport chain oxidizes NADH and FADH2 molecules.
- The proton gradient generated by the electron transport chain drives the production of ATP through the process of chemiosmosis.
Mitochondria and Aerobic Respiration
- The role of the mitochondria in aerobic respiration is to generate most of the ATP through the process of oxidative phosphorylation.
- Mitochondria are the site where the electron transport chain, oxidative phosphorylation, and citric acid cycle take place.
Citric Acid Cycle
- The main function of the citric acid cycle is to produce NADH and FADH2, which are then oxidized via the electron transport chain.
- The citric acid cycle generates NADH, FADH2, ATP, and coenzyme A, which are then used in the electron transport chain.
- NADH and FADH2 molecules are removed in the electron transport chain in the mitochondria.
Test your knowledge of the electron transport chain and oxidative phosphorylation in biochemistry with this quiz. Explore how electrons are transported, NADH and FADH2 are removed, and a proton gradient is generated.
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