12.6 - Oxidative Phosphorylation Flashcards
Where oxidative phosphorylation occurs The reactants and products of the oxidative phosphorylation The main steps of oxidative phosphorylation Calculating the total ATP yield from aerobic respiration
What is oxidative phosphorylation?
ATP generation using proton flow through ATP synthase
Where does oxidative phosphorylation occur?
Inner mitochondrial membrane of cristae
What are cristae?
Inner folded membranes in mitochondria
What is the electron transfer chain?
Series of electron carrier molecules
What are the reactants of oxidative phosphorylation?
Reduced NAD
What are the products of oxidative phosphorylation?
NAD
What are the steps of oxidative phosphorylation?
Reduced NAD and FAD release hydrogen
What is chemiosmosis?
Proton diffusion across inner mitochondrial membrane
What is the total ATP yield per glucose molecule?
Approximately 34 ATP
Which stage produces the most ATP?
Oxidative phosphorylation
What is the net ATP gain in glycolysis?
2
What is the net ATP gain in the Krebs cycle?
2
What is the net ATP gain in oxidative phosphorylation?
Approximately 30
