Photosynthesis Problem Set 2

Problem 2: Calvin cycle reactions

Which statement about carbohydrate biosynthesis during the dark reactions of photosynthesis (i.e. the Calvin cycle reactions) is NOT TRUE?

A. RUBISCO is a an enzyme required for carbon dioxide fixation.
B. NADPH is the source of electrons for glucose biosynthesis.
C. ATP is the energy source for glucose biosynthesis.
D. The reactions occur in the photosynthetic membranes of chloroplasts.
E. Oxygen is not required.

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