AP Biology



AP Biology Name _________________________

Chapter 8 Baboon/Ch 7 Bat Photosynthesis Guided Reading Assignment

1. Describe what is going on in this picture (be sure to label the parts):

2. Use the diagram to label and identify the two broad stages of photosynthesis.

3. What is carbon fixation?

4. What is a photon?

5. Why are leaves green?

6. What is the difference between an absorption spectra and action spectrum?

7. What happens to chlorophyll when it is hit by light? How does this relate to potential energy?

8. Identify the following parts of a photosystem:

a. Photosystem

b. Light harvesting complex

c. Reaction center

d. Primary electron acceptor

9. What are the steps in noncyclic electron flow in photosynthesis? (need to understand the simplified pathway and energy input and outcome (e-), not all of the molecules)

10. What is cyclic electron flow? (need to understand the simplified pathway and energy input and outcome (e-), not all of the molecules)

11. Use the diagram below to assist – but also write a response – compare and contrast chemiosmosis in mitochondria and chloroplasts.

12. Use the diagram below to summarize the activities in the light reactions of photosynthesis.

[pic]

13. Describe and explain the overall purpose of the Calvin cycle and each phase listed below:

a. Calvin cycle

b. Carbon fixation

c. Reduction

d. Regeneration

14. List the important (simplified) steps of the Calvin Cycle. Include the role of Rubisco.

15. What is a plant’s most valuable resource and why did plants need to evolve adaptations for hot, arid climates?

16. Why is photorespiration such a “waste”?

17. Use the diagram below to explain C4 plants.

[pic]

18. What are CAM plants and what is their “advantage”?

19. Use the diagram below to summarize the activities of photosynthesis.

[pic]

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