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13 Cards in this Set

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Autotroph
organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer
heterotroph
organism that obtains energy from the foods it consumes; also called a consumer
adenosine triphosphate (ATP)
one of the principal chemical compounds that living things use to store and release energy
photosynthesis
process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high energy carbohydrates such as sugars and starches
pigment
light-absorbing molecule
chlorophyll
principla pigment of plants and other photosynthetic organisms; captures light energy
thylakoid
saclike photosynthetic membrane found in chloroplasts
photosystem
light-collecting units of the chloroplast
stroma
region outside the thylakoid membranes in chloroplasts
NADP+
one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules
light-dependent reactions
reactions of photosynthesis that use energy from light to produce ATP and NADPH
ATP synthase
large protein that uses energy from H+ ions to bind ADP and a phosphate group to produce ATP
Calvin Cycle
reactions of photosynthesis in which energy from ATP AND NADPH is used to build high-energy compounds such as sugars