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30 January, 12:29

How are light-dependent reactions and light-independent reactions related?

The light-dependent reactions use the products of the light-indepe

The light-dependent reactions use the reactants of the light-indepe

O The light-independent reactions use the products of the light-depe

O The light-independent reactions use the reactants of the light-depe

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  1. 30 January, 15:51
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    The light-independent reactions use the products of the light-dependent reactions

    Explanation:

    The light-dependent reaction produces carbon and hydrogen that are important in the light-independent phase. This light-dependent phase uses the energy from the sun to split a water molecule into H + and O - (O - is evolved out of the plant). H + is then used to reduce carbon dioxide. ATP is also produced through chemiosmosis - since a H + gradient across the lamellae was created by the electron transpoirt chain.

    The reduced carbon dioxide then enters the light-independent phase where it captured using malate. Carbon fixation process of the Calvin cycle then utilizes this carbon dioxide to produce carbohydrates. ATPs made in the light-depedent phase are also consumed here since this is an anabolic reaction.
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