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The Light-Dependent Reaction
The light-dependent reaction of photosynthesis involves the capture of light whose
energy is used for two purposes:
To split water by the process of photolysis, into H+ ions and OH- ions
The reaction needs light energy.
It takes place in the thylakoid membranes of the chloroplasts.
The…

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Page 4

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Photolysis of Water
The loss of electrons when light strikes a chlorophyll molecule leaves it short of
electrons. If the chlorophyll molecule is to continue absorbing light energy, these
electrons must be replaced. The replacement electrons are provided from water
molecules that are split using light energy. This photolysis of…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
The Light-Dependent Reaction
The light-dependent reaction of photosynthesis involves the capture of light whose
energy is used for two purposes:
To split water by the process of photolysis, into H+ ions and OH- ions
The reaction needs light energy.
It takes place in the thylakoid membranes of the chloroplasts.
The…

Page 3

Preview of page 3

Page 4

Preview of page 4
Photolysis of Water
The loss of electrons when light strikes a chlorophyll molecule leaves it short of
electrons. If the chlorophyll molecule is to continue absorbing light energy, these
electrons must be replaced. The replacement electrons are provided from water
molecules that are split using light energy. This photolysis of…

Comments

No comments have yet been made