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Biology
Cells
15
Biology
Not Applicable
11/26/2005

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Term
Nucleus
Definition
-most obvious organelle in any eukaryotic cell
-membrane-bound organelle
-double membrane
-numerous nuclear pores
- holds DNA
Term
Nucleolus
Definition
-produces ribosomes
Term
Smooth ER
Definition
-synthesizes lipids and membrane proteins
Term
Rough ER
Definition
-synthesizes other proteins
Term
Centrosome
Definition
-where microtubles are produced
-contains the centrioles
Term
Centrioles
Definition
-a ring of 9 microtubles, 3 fused ones in each group
-during replication, spindles grow from each microtuble
Term
Golgi Aparatus
Definition
-used for packaging macromolecules for transport around the body
Term
Cytoskeleton
Definition
-an organized network of protein filaments that keep the shape and order within the cell
Term
Cell Membrane
Definition
-made up of lipid bilayer, protein channels, and carbohydrate gates
Term
Cytosol/Cytoplasm
Definition
-liquid inside the cell where cellular metabolism occurs
Term
Mitochondria
Definition
-provide energy that the cell needs to preform basic functions
Term
Lysosomes
Definition
-aid cellular digestion, secretion, and excretion
Term
Peroxisomes
Definition
-protect cell against its hydrogen peroxide, which is toxic
Term
Secretory Vesicles
Definition
-used to store things tath are packed in the golgi apparatus and then sent around the body
Term
Vacuole
Definition
-small, membrane-bound sack that plays roles in intracellular digestion and releases cellular waste
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