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Cell Structures
Functional units of all living organisms
19
Biology
Undergraduate 4
04/13/2010

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Term
Ribosomes
Definition

Protein synthesizing machines.

Site of protein synthesis.

Term
Peroxisome
Definition
oxidized fatty acids. It harbours enzymes that rid the cell of toxic peroxides.
Term
Cytoskeleton
Definition
supports cell, aids in movement of organelles
Term
Lysosome
Definition
degrade intracellular debris
Term
Vesicles
Definition
transports lipids and proteins between ER, Golgi, and plasma membrane.
Term
Golgi apparatus
Definition
packages, and targets proteins of other organelles or for exports. aka. post office
Term
Smooth endoplasmic reticulum
Definition
is the site of lipid synthesis and drug metabolism
Term
Rough endoplamis reticulum
Definition
is the site of many protein synthesis,  it contains many ribosomes
Term
nucleolus
Definition
is site for ribosomal RNA synthesis
Term
Nucleous
Definition
contains the genes (chromatin)
Term
Mitochodria
Definition
oxidizes fuels to produce ATP
Term
plasma membrane
Definition
separates cell from environment, regulates movement of materials into and out of cell
Term
Nuclear envelop
Definition
segregates chromatin (DNA + protein) from cytoplasm
Term
Chloroplast
Definition
harvests sunlight, produces ATP and carbohydrates
Term
Starch granules
Definition
temporarily stores carbohydrate products of photosynthesis
Term
thykaloids
Definition
are site of light driven ATP synthesis
Term
cell wall
Definition
provides shape and rigidity; protects cell from osmotic swelling
Term
plasmodesma
Definition
provides path between two plant cells
Term
Glyoxysome
Definition
contains enzymes of the glyoxylate cycle.
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