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 difference in proton (hydrogen ion) concentration across the thylakoid membrane, with higher concentration inside the thylakoid and lower concentration outside, created by electron transport and used to drive ATP synthesis.