Over Unit D, E,F
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Multicellular organism | organisms that consist of more than one cell
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| Homeostasis | The maintenance of a relatively stable internal environment, even when the external environment changes.
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| Organ System | A set of cooperating organs within the body
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| Circulatory System | the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
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| Feedback Mechanism | a process that uses the conditions of one component to regulate the function of the other
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| Stimulus | a thing or event that evokes a specific functional reaction in an organ or tissue.
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| Responce | A reaction, as that of an organism or a mechanism, to a specific stimulus
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| Hormone | A chemical signaling molecule that is released by a cell or gland and travels through the blood stream to exert an effect on target cells
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| Cell | The basic structural unit of living organisms
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| Cell Theory | The concept that all living organisms are made of cells and that cells are formed by the reproduction of existing cellsf
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| Prokaryotic | A usually unicellular organism whose cell lacks internal membrane bound organelles and whose DNA is not contained within a nucleus
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| Eukaryotic | Cells that contain membrane-bound organelles, including a central nucleus
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| Unicellular | consisting of a single cell.
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| Multicellular | having or consisting of many cells.
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| Organelle | The membrane bound compartments of eukaryotic cells that carry out specific functions
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| Plasma Membrane | A phospholipid bilayer with embedded proteins that forms the boundary of all cells
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| Chromosome | A single, large DNA molecule wrapped around portions. a
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| Cytoplasm | The gelatinous interior of all cells
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| Ribosome | A complex of RNA and proteins that carries out protein synthesis in all cells
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| Phospholipid | A type of liquid that forms the cell membrane
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| Transport Protein | proteins involved in the movement of ions, small molecules, or macromolecules, such as another protein, across a biological membrane
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| Surface Protein | are receptors at the surface of a cell (built into its cell membrane) that act in cell signaling by receiving (binding to) extracellular molecules.
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| Hydrophilic | Water loving
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| Hydrophobic | water fearing
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| Semi-permiable | allowing certain substances to pass through it but not others, especially allowing the passage of a solvent but not of certain solutes
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| Passive Transport | a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input
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| Active Transport | The energy requiring process by which solutes are pumped from an area of high concentration to an area of low concentration with the help of transport proteins
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| Diffusion | The movement of dissolved substances from an area of high concentration to an area of low
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| Osmosis | The diffusion of water across a semipermeable membrane form an area of low concentration to an area of high concentration
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| Solution | The mixture of a solvent and a solute
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| Solvent | a substance in which other substances can be dissolved in
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| Solute | A dissolved substance
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| Intracellular | located or occurring within a cell or cells
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| Extracellular | situated or taking place outside a cell or cells.
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Created by:
ecpearce
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