1. The light-dependent reactions Page 213-225
Photosynthesis
The light-dependent reactions
Page

2.
Photosynthesis

3. Chloroplasts

4. Light-dependent reactions
Role of the thylakoid and it’s membrane
What is the relationship between photosystems, chlorophylls, and caretonoids?
Light-dependent reactions

5. The electrons in the double bonds in the ring structure can accept photons of energy and become excited
Chlorophyll

6. Also have electrons capable of being excited
Carotenoids

7. Absorption Spectra

8. Passing the energy
Antenna Complexes

9. Light-dependent reactions

10. Light-dependent reactions

11. Light-dependent reactions

12. Light-dependent reactions
What to know:
The general order of complexes that the electron passes through
What happens at each photosystem
Compare and contrast each photosystem.
Light-dependent reactions

13. Light-dependent reactions
Review of what has occurred so far:
Electron is passed along a chain of carriers, absorbing two photons of energy before ending up on NADP+
Protons (H+) build up in the thylakoid lumen
Light-dependent reactions

14. Light-Dependent reactions
Proton gradient:
Where does it build up and where does it come from?
Light-Dependent reactions

15. Light-dependent reactions
ADP + Pi  ATP
Light-dependent reactions

16. Light-Dependent Reactions
Energy diagram
Light-Dependent Reactions

17. Light-Dependent Reactions
Cyclic Electron Transport
Modification
Why?
Light-Dependent Reactions

18. Light-Dependent Reactions