How is ATP produced in the light-dependent reaction of photosynthesis?

The production of ATP occurs through the process of photophosphorylation. When light energy hits the chlorophyll molecule, it is absorbed by photosystem I and photosystem II. This raises the energy levels of electrons within the photosystems, causing them to jump to higher energy levels. From here, the electrons are passed down a chain of electron carriers, each one at a successively lower energy level. Energy is released as the electrons moved down the chain, which is used to form ATP from ADP and P.

AL
Answered by Anna L. Biology tutor

26955 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Explain the Bohr Effect?


What is the role of ATP in muscle contraction?


Haemophilia is a disease that affects blood clotting. People with haemophilia are sometimes given a protein called factor VIII. Factor VIII is an enzyme that is involved in the process of blood clotting. Explain how a change in the primary structure of f


Describe the four stages of mitosis


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning