Which gas molecule is given off as a waste product during the light dependent reactions?

1 Answer
Meave60
Oct 30, 2017

Oxygen, #"O"_2"#

Explanation:

During the light dependent reactions of photosynthesis, water is split into #"O"_2"# and #"H"^+#. The oxygen is excreted and the hydrogen ion combines with NADP to form NADPH, which will be used in the Calvin cycle (light independent reactions).

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