Mark as !
put the steps of the light reactions in the correct order
- light...
Mark as !
put the steps of the light reactions in the correct order
- light energy is transferred to a chlorophyll reaction center where electrons become energized.
- a protein in the electron transport chain, pumps h+ ions from the stroma into the thylakoid space
- electrons from the electron transport chain close to photosystem ii replace the elctrons lost in photosystem i
- electrons from photosystem i become energized and escape photosystem i and move down the second electron transport chain.
- h+ ions flow down the concentration gradient through a channel in atp synthase, releasing energy in the process
- electrons move down the electron transport chain, releasing energy
- electrons move to an electron acceptor in the electron transport chain and electrons in photosystem ii are replaced by the splitting of a water molecule
- photosystem ii receives photons in the form of light energy
- water is split to replace the electrons in photosystem ii
- at the end of the electron transport chain, the energized electrons and an h+ ion are used to reduce nadp+ to nadph
- atp uses energy to add a phosphate to adp forming atp
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