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18 Cards in this Set
- Front
- Back
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Flageellum
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locomotion organelle present in some animal cells; composed of microtubules
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centrosome
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region where the cell's microtubules are initiated; contains a pair of centrioles
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peroxisomes
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organelles with various specialized metabolic functions; produces hydrogen peroxide
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microvilli
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projections that increase the cell's surface area
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cytoskeleton
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reinforces the cell's shape, function in cell movement; components are made of protein
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lysosome
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digestive organelle where macromolecules are hydrolyzed
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mitochrondirion
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where cellular repisration occurs and most atp is generated
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plasma membrane
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a selective barrier that allows sufficient passage of oxygen, nutrients, and wastes to service
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golgi apparatus
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organelle active in synthesis, sorting, and secretion of cell products
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ribosomes
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nonmembraneous organells tha t make proteins; free in cytoplasm or bound to rough ER or nuclear envelope
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chromatin
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material consisting of DNA and proteins; visible as individual chromosomes in a dividing cell
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nucelolus
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nonmembraneous organelle involved in production of ribosomes; a nucleus has one or more nucleoil
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nuclear envelope
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double membrane enclosing the nucleus; perforated by pores
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chloroplast
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photosynthetic organelle; converts energy of sunlight to chemical energy stored in sugar molecules
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plasmodesmata
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channels through the cell walls that connect the cytoplasma of adjacent cells
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central vacuole
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prominent organelle in older plant cells; functions include storage, breakdown of waste products; enlargement of vacuole is a major mechanism in plant growth
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tonoplast
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membrane enclosing the central vacuole
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cell wall
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outer layer that maintains cell's shape and protects cell from mechanical damage; made of cellulose, other polysaccharides and proteins
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