Popular tips

What is produced by cytochrome complex?

What is produced by cytochrome complex?

The cytochrome complexes are electron-transferring proteins containing iron porphyrin (heme) groups. Each of the reactions at complex I, III, and cytochrome oxidase (complex IV) are associated with the ejection of protons from the mitochondrial matrix, with the final transfer of electrons to oxygen, to form H2O.

What are the 4 complexes used in the ETC?

The ETC proteins in a general order are complex I, complex II, coenzyme Q, complex III, cytochrome C, and complex IV.

What is happening with matter in the cytochrome complex?

The excited electrons move to the cytochrome complex. Some of the energy from the electrons is used by the cytochrome complex to transport additional protons into the lumen. The second electron carrier, a protein inside the lumen, receives the electrons and passes them to photosystem I.

What is the function of cytochromes in cellular respiration?

Cytochromes are haem-proteins. They act as an electron carriers and are involved in the redox reaction in the living system. They are involved in the electron transport system in the mitochondria.

What does cytochrome c group mean?

Cytochrome c is a component of the electron transport chain in mitochondria . The heme group of cytochrome c accepts electrons from the bc 1 complex and transfers electrons to the complex IV. Cytochrome c is also involved in initiation of apoptosis.

What is the function of cytochrome c?

Cytochrome c is known to play a role in the electron transport chain and cell apoptosis. However, a recent study has shown that it can also act as an antioxidative enzyme in the mitochondria; and it does so by removing superoxide (O 2–) and hydrogen peroxide (H 2 O 2) from mitochondria.

What is the importance of cytochrome c?

Cytochrome c is primarily known as an electron-carrying mitochondrial protein. The transition of cytochrome c between the ferrous and ferric states within the cell, makes it an efficient biological electron-transporter and it plays a vital role in cellular oxidations in both plants and animals.