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DAV620 DAV620
wrote...
11 years ago
List the steps of light reaction in photosynthesis in order Slight Smile
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wrote...
11 years ago
Here you go:


Light strikes photosystem 2, exciting electrons.

A water molecule is split to replace the excited electrons. Oxygen gas is also given off as the first product.

The excited electrons travel down a short electron transport chain to photosystem 1, where they are re-excited by light.

The electrons are passed down another short electron transport chain, then get passed to a molecule of NADP+. NADP+ is reduced to NADPH. ATP is also produced.
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