Cytochrome

Definition

A group of iron-containing hemoproteins that play a critical role in electron transport chains, particularly in oxidative phosphorylation.

Etymology

From Greek 'kytos' meaning 'hollow' and 'chrome' meaning 'color'.

Example

Cytochromes are essential for the production of ATP in mitochondria.

Related Terms

• Electron transport
• Oxidation
• Reduction

Usage Notes

Cytochromes are involved in various biological processes, including respiration and photosynthesis.