Question

A suspension of the Cyanobacterium Chlamydomonas is actively carrying out photosynthesis in the
presence of light and CO2. If you turned off the light, how would you expect the amount of ribulose 1,5-
bisphosphate and 3-phosphoglycerate to change over the next minutes? How about if you left the light on but
removed CO2?(

Answer 1

Explanation:

In plants, carbon dioxide (CO2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized. The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle. Others call it the Calvin-Benson cycle to include the name of another scientist involved in its discovery

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