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Respiration

Biochemistry of respiration

QuestionAnswer
Name the three stages in repiration Glycolysis Krebs Cycle Electron Transport Chain
Where does Glycolysis take place? cytoplasm, occurs in all living things
What is required to initiate glycolysis glucose 2ATP
What would the net yield be for glycolysis 2ATP 2xpyruviate 2xreduced NAD
Is glycolysis anaerobic/aerobic anaerobic
What is required for the link reaction? pyruviate 3C
what is produced in the link reaction CO2 reduced NAD Acetyl CoA 2C
What processes occur in the link reaction Decarboxylation Dehydrogenation
What is required in the Krebs cycle? Acetyl CoA
Name the three compounds in the Krebs cycle 6C compound 5C compound 4C compound
Name the two hydrogen carriers present in the Krebs cycle NAD FAD
Where does the Krebs cycle take place? mitochondria crista
Why does the link reaction not take place when oxygen is not present despite oxygen not being required? Hydrogen carriers are full.
Where does chemiosmosis occur? Inner membrane of the mitcochondrion
What happens initally in chemiosmosis FADH and NADH release a proton and an electron.
What happens to the electron? Passed between carrier proteins losing a little energy each time.
What is the energy used for? Pump the proton(s) from the matrix into the inter membrane space.
How does the protons return to the matrix? Stalked particle
What causes the stalked particle to move? kinetic energy of the protons ATP-ase
What is then produced from ADP and P? ATP
What is the final stage? Oxygen is an electron acceptor forming water (h20).
Created by: 07blandforderin
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