Photosynthesis Problem Set 2

Problem 3: Equation for dark reaction.

The equation for the dark reaction of photosynthesis in C-3 plants is as follows:

Which of the following statements about the dark reaction is true?

A. ribulose-1,5-bisphosphate carboxylase, or RUBISCO is the CO2-fixing enzyme for this process.
B. the reactions occur in the chloroplast stroma.
C. the ATP and NADPH required for this process are produced by the light reactions of photosynthesis.
D. this process is the primary source of reduced, carbon-containing compounds for all living organisms.
E. all of the statements are true.
All of these statements about carbohydrate biosynthesis in chloroplasts are true.

The Biology Project
University of Arizona
Sunday, September 29, 1996
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