What is the function of ATP synthase in the Electron Transport Chain?
ATP synthase utilizes the proton gradient created by the Electron Transport Chain to produce ATP. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.