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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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arealhero arealhero
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9 years ago
Plants give off O2 because
a. O2 results from the incorporation of CO2 into sugars.
b. they do not respire; they photosynthesize.
c. water is the initial electron donor, leaving O2 as a photosynthetic by-product.
d. electrons moving down the electron chain bind to water, releasing O2.
e. O2 is synthesized in the Calvin cycle.
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milestone23milestone23
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9 years ago
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arealhero Author
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#2
9 years ago
This is perfect, thank you for the answer.
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#3
9 years ago
Great!
Retired master
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