Photosynthesis

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  • Created by: livmoss
  • Created on: 12-09-16 12:59
Photosynthesis
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Metabolic Pathway
A series of small reactions controlled by enzymes
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Phosphorilation
Adding phosphate to a molecule
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Photophosphorilation
Adding phosphate to a molecule using light
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Photolysis
The splitting of a molecule using light energy
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Hydrolysis
Splitting of a molecule using water
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Decarboxylation
The removal of carbon dioxide from a molecule
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Dehydrogenation
The removal of hydrogen from a molecule
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Redox reaction
Reactoins involving oxidation (loss of electrons) and reduction (gaining) *OIL RIG*
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Coenzyme
A non-protein compund necessary for enzyme function
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What is a coenzyme in photosynthesis?
NADP (tranfers hydrogen between molecules)
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In what organelle does photosynthesis take place?
Chloroplast
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What is a 'stack' of thylakoids called?
Grana (singular=granum)
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What links grana together?
Lamellae - bits of thylakoid membrane
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Where is chlorophyll found?
Thylakoid membrane
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Chloroplast structure
.
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What wavelengths to PSII and PSI absorb?
PSII = 680nm PSII = 700nm
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Reactants and products of light-dependent reaction?
ADP, NADP, H2O; ATP, NADPH2, O2.
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What is taken in and let out of light independent cycle.
CO2 in, one-carbon compound let out per cycle.
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How is ATP made?
ADP + inorganic phosphate under light - photophosphorylation
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How is reduced NADP made?
NADP + H ions. H ions from splitting water (photolysis)
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What are the three limiting factors in photosynthesis?
Light intensity, temperature (if over 25C chlorophyll can be damaged or enzymes denature), carbon dioxide (Up to 0.4%, any higher and stoma start to close)
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Card 2

Front

Metabolic Pathway

Back

A series of small reactions controlled by enzymes

Card 3

Front

Phosphorilation

Back

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Card 4

Front

Photophosphorilation

Back

Preview of the front of card 4

Card 5

Front

Photolysis

Back

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