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Chem/Cells

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Molecules   2 or more atoms boned together EX: H2O  
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Compounds   Pure substances containing identical molecules  
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Carbohydrates   Sugars,the body's first choice of energy. Reacts with oxygen and releases energy.  
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Lipids   Nutrients that don't dissolve in water, refered to as fats and oils  
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Proteins   Made from building blocks called amino acids. Temp. effects shape-shape effects function  
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Nucleic acids   Molecules that carry info used to make proteins  
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Solutions   A mixture that contains 1 or more chemicals that have been dissolved  
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Solvent   Dissolves other chemicals EX: water dissolves salt  
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Solute   The material that gets dissolved  
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Hypertonic   Higher concentration of solutes  
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Hypotonic   Lower concentration of solutes  
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Isotonic   Same concentration, different "stuff"  
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PH   A way of measuring the concentration of hydrogen  
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Acids   0-6 on the PH scale  
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Bases   8-14 on the PH scale  
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Cell   Basic unit of structure and function found in all living things  
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Cell Membrane   Barrier between fluid inside and fluid outside the cell  
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Receptors   Allow cell to recieve messages, Binding site for chemical messages  
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Pores/Channels   Passageway across the membrane, they can be controlled(opened and closed)  
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Carriers   Proteins used to move things into the cell, they change shape  
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Cytoplasm   The liquid between the cell membrane and the organelles (cell fluid)  
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Osmosis   The movement of water from low concentration the high concentration across a semi-permeable membrane  
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Na+/K+ pumps   Pumps K+ into the cell and pumps Na+ out of the cell  
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Endocytosis   Moves things into the cell and packages them  
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Pinocytosis   Takes in liquid  
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Phagocytosis   Takes in a solid  
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Exocytosis   Moving a vesicle outside the cell  
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Differentation   When a stem cell changes into a specialized cell  
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