Study Guide With Student Solutions Manual And Problems Book For Garrett/grisham's Biochemistry, 6th
Study Guide With Student Solutions Manual And Problems Book For Garrett/grisham's Biochemistry, 6th
6th Edition
ISBN: 9781305882409
Author: GARRETT, Reginald H.; Grisham, Charles M.
Publisher: Brooks Cole
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Chapter 21, Problem 14P

The Source of the Oxygen Atoms in Photosynthetic O2 Evolution

The overall equation for photosynthetic CO2 fixation is 6CO2 + 6H2O C6H122O6 + 6O2All the O atoms evolved as O2 come from water; none comes from carbon dioxide. But 12 O atoms are evolved as 6 O2, and only 6 O atoms appear as 6 H2O in the equation. Also, 6 CO2 have 12 O

Atoms, yet there are only 6 O atoms in C6H12O6. How can you account for these discrepancies? (Hint: Consider the partial reactions of photosynthesis: ATP synthesis, NADP reduction, photolysis of water, and the overall reaction for hexose synthesis in the Calvin-Benson cycle)

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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY