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chapter 8 vocabulary
sections 1-3
12
Biology
9th Grade
02/19/2007

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Term
autotrophs
Definition
organisms such as plants, which make their own food.
Term
heterotrophs
Definition
other organisms, such as animals, cannot use the sun's energy directly.
Term
adenosine triphosphate (atp)
Definition
one of the principal chemical compounds that cells use to store and release energy.
Term
adenosine triphosphate (atp)
Definition
one of the principal chemical compounds that cells use to store and release energy.
Term
photosynthesis
Definition
the key cellular process identified with energy production.
Term
pigments
Definition
plants gather the sun's energy with lightabsorbing molecules.
Term
chlorophyll
Definition
the plants' principal pigment.
Term
thylakoids
Definition
contain saclike photosynthesis membranes
Term
photosystems
Definition
proteins in the thylakoids membrane organize chloriphyll and other pigments inti clusters.
Term
stroma
Definition
the region outside the thylakoids membranes.
Term
NADP+
Definition
one of these carrier molecules is a compound
Term
ATP synthase
Definition
the cell membrane contains a proteins
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