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17
Biology
10th Grade
11/16/2010

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Term
Cell Theory
Definition
The theory that cells form te fundamental structural and functional units of all livimg organisms
Term
Cytoplasm
Definition
The contents of a cell except for the nucleus
Term
Organelle
Definition
A specialized part of a cell analogous to an organ
Term
Prokaryotic Cell
Definition
A cell that does not have a nucleus or other membrane-bound organelles
Term
Eukaryotic Cell
Definition
A cell that has a nucleus and other membrane-bound organelles
Term
Cytoskeleton
Definition
The process by which the cell cytoplasm divides
Term
Nucleus
Definition
The organelle composed of a double membrane that acts as the store as the storehouse for most of a cells DNA
Term
Endoplasmic Reticulum
Definition
Interconnected network of thin folded membranes that produce process and distribute proteins
Term
Ribosome
Definition
an organelle in the cytoplasm of a living cell; they attach to mRNA and move down it one codon at a time and then stop until tRNA brings the required amino acid
Term
Golgi Apparatus
Definition
a netlike structure in the cytoplasm of animal cells
Term
Vesicle
Definition
a small anatomically normal sac or bladderlike structure
Term
Mitochondrion
Definition
organelle containing enzymes responsible for producing energy
Term
Vacuole
Definition
a tiny cavity filled with fluid in the cytoplasm of a cell
Term
Lysosome
Definition
an organelle found in the cytoplasm of most cells
Term
Centriole
Definition
one of a pair of small cylindrical cell organelles near the nucleus in animal cells
Term
Cell Wall
Definition
a rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cells
Term
Chloroplast
Definition
plastid containing chlorophyll and other pigments
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