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24 Cards in this Set
- Front
- Back
Cytoskeleton
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supports organelles and cell shape and plays a role in cell motion
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Microtubule
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tube of protein molecules present in cytoplasm, centrioles, cilia, and flagella
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intermediate filament
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intertwined protein fibers that provide support and strength
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actin filament
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twisted protein fibers that are responsible for cell movement
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plasma membrane
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lipid bilayer in which proteins are embedded
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Mitochondrion
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organelle in which energy is extracted from food during oxidative metabolism
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Secretory vesicle
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vesicle fusing with the plasma membrane, releasing materials to be secreted from the cell
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cytoplasm
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semifluid matrix that contains the nucleus and other organelles
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nucleus
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command center of cell
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nucleolus
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site where ribosomes are produced
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nuclear envelope
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double membrane between the nucleus and the cytoplasm
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nuclear pore
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opening embedded with proteins that regulates passage into and out of the nucleus
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ribosomes
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small complexes of RNA and protein that are the sites of protein synthesis
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smooth endoplasmic reticulum
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system of internal membranes that aids in the manufacture of carbohydrates and lipids
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rough endoplasmic reticulum
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internal membranes studded with ribosomes that carry out protein synthesis
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Golgi complex
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collects, packages, and distributes molecules manufactured in the cell
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peroxisome
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vesicle that contains enzymes that carry out particular reactions, such as detoxifying potentially harmful molecules
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lysosome
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vesicle that breaks down macromolecules and digest worn out cell compeonents
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chloroplast
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organelle containing thylakoids, the sites of photosynthesis
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central vacuole
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in plants, storage compartment for water, sugars, ions and pigments
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tonoplast
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membrane surrounding the central vacuole
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plasmodesmata
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openings in the cell wall that function in the cell-cell communication
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adjacent cell wall
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in plants, adjacent cells are glued together by a sticky substance between their walls
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cell wall
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outer layer in some organisms that provides support
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