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H in carboHydrate

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H in carboHydrate

Postby fran008 » Mon Feb 27, 2006 2:32 pm

Where does the H in the carbohydrate produced in photosynthesis come from?
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Postby GreenDog » Mon Feb 27, 2006 4:59 pm

From water, or in other words:
CO2+H2O-->(CH2O) +O2

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Postby fran008 » Tue Feb 28, 2006 5:22 pm

But the water is used to reduce the electron defiecient photosystem II . the only H plus that feed into the calvin cycle is in the NADPH no?
but ultimately yes i believe the H plus comes from the water . but can anyone help explain hoe this H is transferred from the water?
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Postby MrMistery » Tue Feb 28, 2006 6:35 pm

NADPH transfers it...
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