Question

What is Q cycle in photosynthesis?

Answer 1

Q cycle in photosynthesis:

1. In the thylakoid membrane's electron transport system, the Q cycle refers to the continual oxidation or reduction of plastoquinone.
2. The Q cycle is a set of actions that describes how plants oxidize and decrease carbon dioxide in their atmosphere.
3. Ubiquinol comes in two forms: ubiquinol and ubiquinone.
4. The Q cycle is a series of processes that show how continual oxidation and reduction of Coenzyme Q10 between its ubiquinol and ubiquinone forms can result in net protons transport across a lipid bilayer.
5. Protons are transported across the membrane as hydrogen atoms on the hydroxyl groups of ubiquinol in the Q cycle mechanism.
6. The spots at the membrane surface where ubiquinol is oxidized at center P and ubiquinone is reduced at center N, however, are not freely available to the mass aqueous phase.