Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 10 - 10.2 - Concept Check - Page 199: 2

Answer

The initial electron donor is water, and the ultimate destination is NADPH followed by the carbohydrates made during the Calvin cycle using NADPH.

Work Step by Step

See Fig. 10.18 and follow the yellow arrow (the flow of electrons in question) from water to NADPH. This NADPH is then used in the Calvin cycle, where the electrons end up in photosynthetic products.
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