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cells
cell structure
16
Science
7th Grade
01/22/2010

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Term
Cell Wall
Definition
The ridge, porous outer layer of a plant cell
Term
Centriole
Definition
a bundle of microtubules that helps organize the movement of chromosonses
Term
Chloroplast
Definition
a organelle that converts the radiant energy of the sun into chemicials enerygythrough the process of photosynthesis
Term
Endoplasmic reticulm
Definition
a network of passageways in witch chemicials compounds are manufactered ,processed,and transported
Term
Golgi apparatus
Definition
a stack of membranes that collects, modifies, and packages chemicials compounds
Term
Lysosome
Definition
a smaall sac that contains digestive chemicials
Term
mitochondria
Definition
oranelles thaat,using oxygen, convert nutrients into energy that can be used by the cell
Term
Nuclear envelope
Definition
a double layered membrane that sourrounds and protects the nucleus
Term
Nucleus
Definition
a small round body in the center of the celll that contains DNA and directs the cells activities
Term
Organelle
Definition
a cell structure that performs a spasific function
Term
Plasma membrane
Definition
a double layered membrane that surrounds the cell.Also called the cell membrane it regulates what enters and leave the cell
Term
Plasid
Definition
small structure that can store food or pigment
Term
Ribosomes
Definition
tiny structure where protiens are anylized
Term
Vacule
Definition
sac that stores water, nutriens, and other chemicials.The large vacule found in plant cells helps the cell maintain their shape
Term
Vacule
Definition
sac that stores water, nutriens, and other chemicials.The large vacule found in plant cells helps the cell maintain their shape
Term
Vesicle
Definition
small package of nutriens or protiens created by golgi appratus
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