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Midterm 3
Ch 8, 19-21
22
Biochemistry
Undergraduate 3
05/04/2015

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Cards

Term
Equation for photosynthesis:
Definition
6CO2+6H2O-->C6H12O6+6O2
Term
NADPH and ATP are produced in the (dark/light) reactions
Definition
Light
Term
NADPH and ATP are consumed in the (dark/light ) reactions
Definition
Dark
Term
Photosynthesis occurs where in prokaryotes
Definition
Granules in plasma membrane
Term
Photosynthesis occurs where in eukaryotes
Definition
Chloroplasts
Term
A stack of thylakoid disks occurs where?
Definition
Granum/grana
Term
Where does light-trapping and O2 production (light reaction) occurs where?
Definition
Thylakoid disks
Term
Dark reactions occur where?
Definition
Stroma (AKA cytosol)
Term
Hydrophobic side chain that anchors the chlorophyll to the thylakoid membranes
Definition
Phytol
Term
What light/absorbence is absorbed in photosynthesis?
Definition
Red (600-700 nm) and blue (400-500 nm)
Term
BLANK absorb(s) light and transfer energy to chlorophylls
Definition
Accessory pigments
Term
BLANK chlorophylls gather light
Definition
Antennae
Term
Where is harvested light energy passed to specialized Chl molecules
Definition
Reaction Center
Term
Where do chemical reactions of photosynthesis begin where?
Definition
Reaction centers
Term
Chlorophyll a absorbs BLANK light
Definition
Red
Term
Chlorophyll b absorbs BLANK light
Definition
Blue
Term
What is oxidized in the light reaction?
Definition
H20 --> 02
Term
What is reduced in the light reaction?
Definition
NADP+ --> NADPH
Term
What reaction occurs at photosystem I?
Definition
NADP+ --> NADPH
Term
What reaction occurs at photosystem II?
Definition
H2O --> O2
Term
What part of the redox reaction of the light reaction is endergonic.
Definition
Oxidation of water (H2O --> O2)
Term
Net reaction of photosystems I & II
Definition
2H2O + 2NADP+ --> NADPH + 4H+ + O2
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