noun
- Any of a group of iron-containing proteins found in cells that play a key role in cellular respiration and energy production by transferring electrons.
Usage: technical; biology
Examples
- Cytochrome c is essential for the electron transport chain in mitochondria.
- The cytochrome oxidase enzyme catalyzes the final step of aerobic respiration.
- Scientists study cytochromes to understand how cells generate ATP energy.
- Different types of cytochromes are found across bacteria, plants, and animals.
- The iron atom in cytochrome molecules enables electron transfer reactions.