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BIOL - 161 Vocab Ch 8
Vocabulary Chapter 8
20
Biology
Undergraduate 2
12/06/2011

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Term
Chemosynthesis
Definition
autotrophic metabolism in which chemical (not light) energy is used
Term
Light-dependent reactions
Definition
carbon fixation and reduction is accomplished by these reactions
Term
Photon
Definition
a "particle" of light
Term
CO2 fixation
Definition
a primary function of the light-independent reactions
Term
RuBP carboxylase
Definition
the enzyme that catalyzes carbon fixation in C3 plants
Term
PEP carboxylase
Definition
the enzyme that catalyzes ATP synthesis
Term
Autotroph
Definition
an organism CAPABLE of photosynthesis or chemosynthesis
Term
Heterotroph
Definition
an organism INCAPABLE of photosynthesis of chemosynthesis
Term
ATP synthase
Definition
the enzyme that catalyzes ATP synthesis
Term
Chemiosmosis
Definition
a model to describe the process of ATP formation
Term
Chlorophyll
Definition
a green plant pigment
Term
Carotenoid
Definition
yellow or orange plant pigment
Term
P700
Definition
the reaction center of photosystem I
Term
P680
Definition
the reaction center of photosystem II
Term
Cylic photophosphorylation
Definition
the only product is ATP
Term
Noncylic photophosphorylation
Definition
ATP and NADPH are produced
Term
Photolysis
Definition
the process of splitting water
Term
Photorespiration
Definition
a drain on photosynthetic efficiency
Term
Stomate
Definition
a pore that allows CO2 to enter the leaf
Term
CAM plants
Definition
they fix CO2 at night
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