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March 31, 2026, 10:04:21 am
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Author Topic: Why does the light-independent stage of photosynthesis not require light?  (Read 1296 times)  Share 

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PopcornTime

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Why does the light-independent stage of photosynthesis not require light?
« on: December 15, 2017, 06:46:44 pm »
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Is there a chemical or biological reason why the light-independent stage doesn't require light energy?
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PhoenixxFire

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Re: Why does the light-independent stage of photosynthesis not require light?
« Reply #1 on: December 15, 2017, 08:09:12 pm »
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Its just not needed. In the light dependant stage the light energy is used to split hydrogen ions off water. The remaining oxygen is released as a waste and the hydrogen ions are joined to NADP. The NADPH then goes to the light independent stage.
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Bri MT

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Re: Why does the light-independent stage of photosynthesis not require light?
« Reply #2 on: December 21, 2017, 01:51:35 pm »
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The light independent stage uses chemical energy to fuel its reactions.

Kind of like how cellular respiration doesn't require light energy
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