CHAPTER 10

PHOTOSYNTHESIS

1. Distinguish between autotrophic and heterotrophic nutrition.*
2. Describe the locations in the chloroplast where photosynthetic processes take place.*
3. Write an overall equation for photosynthesis and how this equation can be divided into two major phases.*
4. Describe the wave and particle property of light.*
5. Explain the absorption spectrum for chlorophyll.*
6. List the wavelengths of light that are most and least effective for photosynthesis.*
7. Explain what happens when chlorophyll a or other pigments absorb photons.*
8. List the components of a photosystem and explain their function.*
9. Distinguish between resonance energy and electron transfer (photooxidation).*
10. Distinguish between the two light-harvesting complexes, photosystem I and photosystem II.*
11. Distinguish between p680 and p700 and describe what these structures are. *
12. Compare cyclic and noncyclic electron flow and trace the fate of electrons through cyclic and noncyclic electron flow.*
13. Describe the important similarities between chemiosmosis (oxidative phosphorylation) in mitochondria and photophosphorylation in chloroplasts.
14. Summarize the three phases of the Calvin cycle and describe changes that occur in the carbon skeleton in very general terms. *
15. Describe the role of the enzyme Rubisco and step 1 of  the Calvin cycle*
16. Describe the role of ATP and NADPH in the Calvin Cycle.*
17. Describe the fate of the sugar (e.g. glucose) once it has been produced in the Calvin Cycle.*

KEY TERMS
Autotrophic, photoautotroph, chloroplast, chlorophyll, stroma, thylakoid, thylakoid membrane, thylakoid space (a.k.a. thylakoid lumen), photon, pigments, chlorophyll a, accessory pigments, chlorophyll b, carotenoids, ground state, excited state,  photosystem, light-harvesting complex, reaction center, primary electron acceptor, PSI, PSII, P700, P680, cyclic electron flow, noncyclic electron flow, photophosphorylation, Calvin cycle, Rubisco.