The objectives of this problem set are to test your understanding of how light energy is converted into different forms of chemical energy during photosynthesis, to review the equations for the light reactions of photosynthesis, to study the pathway for electron transport during cyclic and non-cyclic photophosphorylation, and to explore the mechanism for coupling electron transport to ATP synthesis.

Instructions: The following problems have multiple choice answers. Correct answers are reinforced with a brief explanation. Incorrect answers are linked to tutorials to help solve the problem.

1. Chloroplast compartments

2. Energy source for ATP formation

3. Overall redox reaction

4. Result of electron transport

5. Overall energy source

6. Events during light reaction

7. Cyclic photophosphorylation

8. Equation for light reaction

9. Fate of excited pigment molecules

10. Overall result of photosynthesis

11. Photosystem II features

This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.

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