Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
A series of protein complexes in membranes (thylakoid, inner mitochondrial, or prokaryotic plasma membrane) that transfer electrons through oxidation-reduction reactions, establishing an electrochemical gradient used to generate ATP.