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31 Cards in this Set
- Front
- Back
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nucleous
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control center
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nuclear envelope
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allows certain things to pass through
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nucleoplasm
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jelly like substance the nucleoli and chromatin are suspended
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nucleoli
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small dark staining essentially round bodies sites where ribosomes are assembled
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chromatin
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lose network of bumpy threads; tangled thread containing genetic information
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chromosomes
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round like bodies; (x) shaped contains genetics information
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plasma membrane
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contains cell contents and seperates the cell from the surrounding enviroment
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microvili
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tiny finger like projections that greatly increase te cells's surface area for asorbtion so that the process occurs more quickly
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tight junction
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binds cells together into leakproof sheets
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desmosomes
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precents cells subjected to mechanical stress from being pulled apart
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gap junction
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to allow commmunication
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cytoplasm
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site of most cellular activities
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cytosol
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fluid that suspends the other elements
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organelles
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metabolic machinery of the cell
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inclusion
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chemical substances that may or may not be present
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mitochondria
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carry out the reactions in which oxygen is used to break down foods
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ribosome
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sites of protein synthesis
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endoplasmic reticulum
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system of fluid filled cisterns that coil and twist through the cytoplasm
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rough er
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cells membrane factory
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smooth er
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function in cholesterol synthesis and breakdown fat metabolism and detoxification of drugs
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gogli apparatus
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modify and package protiens
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lysosomes
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demolition sites
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peroxisomes
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detoxify alcohol hydrogen peroxide
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free radicals
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scramble the structure of protiends and nucliec acids
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cytoskeleton
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furnishing a internal framework that determines cell shapes,supposts other organells and provides the machinery needed for intracellular transport and movement
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intermediate filaments
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help form desmosomes and provide internal guide wires to resist pulling forces on the cell
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microfilaments
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involved in cell mobility and producing changes in cell shape
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microtibules
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determine the overall shape of a cell and the distrobution of organelles
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centiroles
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direct the formation of the mitotic spindle
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cilia
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move substances along the cell surface
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flagella
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helps prople and navigate the cell
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