๐Ÿงฌap biology review

Cytochrome c oxidase (CCO)

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

A key enzyme in the mitochondrial electron transport chain that catalyzes the transfer of electrons to oxygen; can be inhibited by cyanide.

AP course connection

Topic 3.5: 3.5 Cellular Respiration

Unit 3

"Cytochrome c oxidase (CCO)" also found in: