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Photosynthesis

BIOL 1113 review 2

QuestionAnswer
where do light reactions occur? thylakoid
where does the calvin cycle occur? stroma
What are the pours on leaves that open to allow CO2 and close to keep in water? stomata
When sunlight hits the pigments in a plant, what two things happen? pigment electrons become high energy, water is split
what happens to the hydrogen from the split water molecules? hydrogen electron replaces pigment electron in photosystem II, hydrogen is bound to NADPH to carry the electrons, hydrogen moves through ATP synthase to generate ATP
photosystem II role of sunlight make pigment electrons high energy, split water
what happens to the oxygen from the split water molecules released as waste
ETC II role of high energy electron moves down ETC to put energy into surrounding proteins, pumps hydrogen protons to inside of cell, becomes low energy electron
ETC II role of hydrogen protons pumped through membrane by high energy electron, cause positive inner charge and strong gradient
photosystem I role of sunlight re-energize low energy electron for ETC I
ETC I role of electron move through to be bound to NADP
role of hydrogen protons after ETC II gradient pushes them through ATP synthase to the outside of thylakoid where they are bound to NADP+ for calvin cycle, generate ATP as they move through
What are the reactors of the calvin cycle? carbon dioxide from stomata, NADPH from light dependent reactions, ATP
What does the calvin cycle do? fixates carbon into glucose with energy from light dependent reactions
Created by: oclar11
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