Photosynthesis

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What is a photosynthetic pigment? give examples
coloured substance that absorbs light energy needed for photosynthesis, chlorophyll a and b and carotene
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What is ATP produced from? How is it produced?
phosphorylation of ADP and an inorganic phosphate group, ATP synthase enzyme, H+ ions into thylakoid, concentration gradient so move into stroma, movement provides energy to combine ADP and Pi
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Where do the two stages of photosynthesis take place? what are there products?
light dependant in thylakoid membrane- ATP and reduced NADP, light independent in the stroma-organic stubstances
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Explain the calvin cycle for the light independent reaction
Rubisco catalyses carboxylation of RuBP to for 2 GP, ATP and reduced NADP reduce GP to 2 TP, some is used to make organic substances, rest recycled-converted to RuBP
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What photosystems does non-cyclic phosphorylation use? how does it work?
1 and 2, light energy excites electrons (2) which move along electron transport chain (1) lose energy which is used to make ATP, electrons to NADP to form reduced NADP
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What is photolysis and what is it used for?
splitting water with light, produce H+ ions for making ATP and electrons to replace those lost in photosystem 2
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What happens during cyclic phosphorylation?
light excited electrons in photosystem 1, move up energy level then passed back by electron carriers, lose energy to create ATP (only)
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Card 2

Front

What is ATP produced from? How is it produced?

Back

phosphorylation of ADP and an inorganic phosphate group, ATP synthase enzyme, H+ ions into thylakoid, concentration gradient so move into stroma, movement provides energy to combine ADP and Pi

Card 3

Front

Where do the two stages of photosynthesis take place? what are there products?

Back

Preview of the front of card 3

Card 4

Front

Explain the calvin cycle for the light independent reaction

Back

Preview of the front of card 4

Card 5

Front

What photosystems does non-cyclic phosphorylation use? how does it work?

Back

Preview of the front of card 5
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