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cells
cell structure
15
Science
7th Grade
01/22/2010

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Term
cell wall
Definition
the ridgid porous outer layer of a plant cell.
Term
centriole
Definition
a bundle of microtubules that helps organize the movemebt of chromosomes during cell division.
Term
chlorplast
Definition
an organalle that converts the radiant energy of the sun into chemical energy through phototsynthesis
Term
cytoplasm
Definition
a jelly like substance composed manily of water occuping most of the space bettween the cell membrain and the nucleus
Term
endoplasmic reticulam
Definition
a network passageway in wich chemica
Term
endoplasmic reticulam
Definition
a network passageway in wich chemical coumpounds are manufactured processed and transported
Term
golgi apparatus
Definition
a stack of membrains that collects modfies and packegs chemical membrains.
Term
lysosome
Definition
a smll sac that contains digestive chemicals.
Term
mitocha
Definition
Term
mitochandrea
Definition
organalles that, usinng oxygen convert neutreants into energy that can be used by the cell
Term
neuclar envelope
Definition
a doubled layer membrainthat sourrounds and protects the neclus
Term
nucleolus
Definition
a small body in the necluse where ribosome are synthosised.
Term
nucleus
Definition
a round body in the center of the cell that contains DNA and direct the cells activites
Term
organelle
Definition
a cell structure that preformse a specific function
Term
organelle
Definition
a cell structure that preformse a specific function
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