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32 Cards in this Set
- Front
- Back
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Fluid out side the cell
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Tissue fluid, interstitial fluid, extracellular fluid
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Fluid inside the cell
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Cytosol, intracellular fluid
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Solvent
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Fluid in which many other substances dissolve, water
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Solute
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Substances which dissolve in other liquids
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Functions of the cell
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Make molecules, protection and support, movement, communication, cell metabolism, reproduction and inheritance
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Cytoplasm
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Cytosol, inclusions, cytoskeleton, organelles
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cytosol
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Clear fluid in cell, dissolved components, undissolved components
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Inclusions
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Non functional membrane bound storage units inside cytosol, may contain stored nutrients
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Microtubules
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Hollow cylindrical proteins which provide internal scaffolding of skull
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Microfilament
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Small protein fibers which provide structural support to cells
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Organelles
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Structures within cells that are specialized for specific function, little organs
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Nucleus
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Control center of the cell
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Nuclear membrane
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Barrier of nucleus
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Chromatin
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Composed of DNA and protein, scattered throughout the nucleus
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Centrioles
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Used in cell division, move to opposite ends of cell
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Ribosomes
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Sites of protein synthesis
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Endoplasmic reticulum rough
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Modifies proteins
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Endoplasmic reticulum smooth
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Manufactures lipids
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Golgi apparatus
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Modifies proteins and lipids
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Mitochondria
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Provide energy for cells, major sites of ATP synthesis
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Plasma cell membrane
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Outer boundary of the cell
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Passive transport
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No energy is required
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Active transport
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The cell must provide metabolic energy
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Diffusion
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Values distribute themselves evenly within a solution, movement is down a concentration gradient, from high concentration to low concentration
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Simple diffusion
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Unassisted process
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Facilitated diffusion
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Require a protein carrier or channel for passive transport
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Isotonic
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cell neither shrinks nor swells
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Hyper tonic
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Cell shrinks
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Hypotonic
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cell swells
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Catabolism
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Substances are broken down into simpler substances
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Anabolism
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Larger molecules are built from smaller ones
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T A C G U
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thymine,adenine, cytosine, guanine, uracil
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