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Photosynthesis
Photosynthesis
18
Biology
Undergraduate 1
03/08/2011

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Term
ATP synthase
Definition
Enzyme complex that functions in the production of ATP
Term
Autotroph
Definition
Organism that can capture energy and synthesize organic molecules from inorganic nutrients
Term
C3 plant
Definition
Plant that fixes carbon dioxide via the Calvin cycle; the first stable product of C3 photosynthesis is a 3-carbon compound
Term
C4 plant
Definition
Plant that fixes carbon dioxide to produce a C4 molecule that releases carbon dioxide to the Calvin cycle
Term
Calvin cycle reactions
Definition
Pathway of photosynthesis that converts carbon dioxide to carbohydrate
Term
CAM pathway
Definition
Alternative pathway for photosynthesis in which the components are seperated by time, carbon dioxide is fixed into a 4-carbon molecule at night
Term
Carbon dioxide fixation
Definition
Photosynthetic reaction in which carbon dioxide is attatched to an organic compound
Term
Carotenoids
Definition
Yellow or orange pigment that serves as an accessory to chlorophyll in photosynthesis
Term
Chlorophyll
Definition
Green pigment that captures solar energy during photosynthesis
Term
Cyclic electron pathway
Definition
Portion of the light reaction that involves onlt photosystem I and generates ATP
Term
Heterotroph
Definition
Organism that cannot synthesize organic molecules from inorganice nutrients and therefore must take in organic nutrients
Term
Light reactions
Definition
Portion of photosynthesis that captures solar energy and takes place in the thylakoid membranes
Term
NADP+
Definition
Coenzyme of oxidation-reduction that accepts electrons and hydrogen ions to become NADH + H+. During photosynthesis NADH participates in the reduction of carbon dioxide to glucose
Term
Noncyclic electron pathway
Definition
Portion of the light-dependent reaction of photosynthesis that involves both photosystem I and photosystem II. It generates both ATP and NADPH
Term
Photosynthesis
Definition
Process by which plants and algae make their own food using the energy of the sun
Term
Photosystem
Definition
Cluster of light-absorbing pigment molecules within thylakoid membranes
Term
RuBP
Definition
The starting material of the Calvin cycle (ribulose-1, 5-bisphosphate)
Term
Stomata
Definition
Microscopic opening bordered by guard cells in the leaves of plants through which gas exchange takes place
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