Photosystem II: First photosystem in the light reactions that splits water and releases oxygen.
How to apply it: Use PSII to explain the source of electrons and oxygen in photosynthesis.
Course: AP Biology · Unit: Cellular Energetics
Practice questions about Photosystem II on AimFive — get rubric-based feedback showing exactly which points you earned.
AP and Advanced Placement are trademarks of College Board. AimFive is not affiliated with or endorsed by College Board.