O

2. Which of the following statements is correct?

F. Accessory pigments are not involved in photosynthesis.

G. Accessory pigments add color to plants but do not absorb light energy.

H. Accessory pigments absorb colors of light that chlorophyll a cannot absorb.

J. Accessory pigments receive electrons from the electron transport chain of photosystem I.

3. Oxygen is produced at what point during photosynthesis?

A. when CO2 is fixed

B. when water is split

C. when ATP is converted into ADP

D. when 3-PGA is converted into G3P

INTERPRETING GRAPHICS: The diagram below shows a portion of a chloroplast. Use the diagram to answer the question that follows.

4. Which of the following correctly identifies the structure marked X and the activities that take place there?

F. stroma—Calvin cycle

G. stroma—light reactions

H. thylakoid—Calvin cycle

J. thylakoid—light reactions

DIRECTIONS: Complete the following analogy.

INTERPRETING GRAPHICS: The diagram below shows a step in the process of chemiosmosis. Use the diagram to answer the question that follows.

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