Chapter 8

Biology: How Life Works · 9 exercises

Problem 1

Write the overall photosynthetic reaction and identify which molecules are oxidized and which molecules are reduced.

4 step solution

Problem 2

Compare the overall reactions of photosynthesis and cellular respiration.

5 step solution

Problem 3

Name the major inputs and outputs of the Calvin cycle.

3 step solution

Problem 4

Describe the three major steps in the Calvin cycle and the role of the key enzyme rubisco.

3 step solution

Problem 5

Contrast what happens when antenna chlorophyll absorb light energy with what happens when the reaction center absorbs light energy. Why are antenna chlorophyll so important in photosynthesis?

3 step solution

Problem 6

Explain why using water as an electron donor requires a photosynthetic electron transport chain with two photosystems.

4 step solution

Problem 8

List the products of linear electron transport and cyclic electron transport, and describe the role of cyclic electron transport.

5 step solution

Problem 9

Describe two strategies that plants use to limit the formation and effects of reactive oxygen species.

3 step solution

Problem 10

Explain the trade-off that rubisco faces in terms of selectivity and enzymatic speed.

5 step solution

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