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Plants 8.2
Plants Vocab Words Section 8.2
7
Biology
9th Grade
05/29/2012

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Term
Pigment
Definition
light-absorbing molecule used by plants to gather the sun's energy
Term
Chlorophyll
Definition
principal pigment of plants and other photosynthetic organisms
Term
Thylakoid
Definition
saclike photosynthetic membranes found in chloroplasts
Term
Stroma
Definition
fluid portion of the chloroplast; outside of the thylakoids
Term
NADP+
Definition
(nicotinamide adenine dinucleotide phosphate): carrier molecule that transfers high-energy electrons from chlorophyll to other molecules
Term
Light-Dependent Reactions
Definition
set of reactions in photosynthesis that use energy from light to produce ATP and NADPH
Term
Light-Independent Reactions
Definition
set of reactions in photosynthesis that do nbot require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar; also called the Calvin cycle
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