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cells
cell structure
8
Science
7th Grade
01/22/2010

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Term
cell wall
Definition
the rigid porous outer layer of a plant cell
Term
centriole
Definition
a bundle of microtubles that help organize the movement of chromosomes during cell division
Term
chloroplast
Definition
an organelle that converts the radiant energy of the sun into chemical energy through the process of photosynthesis
Term
cytoplasm
Definition
a jelly-like substance composed mainly on water occupying most of the space between the cell membrane and the nucleus
Term
endoplasmic reticulum
Definition
a network of passageways in which chemical compounds are manufactured processed and transported
Term
golgi apparatus
Definition
a stack of membranes that collects modifies and packages chemical compounds
Term
lisosome
Definition
a small sac that contains digestive chemicals
Term
mitochondria
Definition
organelles that using oxygen convert nutrients into energy that can be used by the cell
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