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25 Cards in this Set
- Front
- Back
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Biosynthesis
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The process by which living organisms produce molecules (146)
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Catalyst
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A substance that alters the speed of a chemical reacion but does not get used up in the process (145)
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Chemical Change
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A change that alters the makeup of the elements or molecules of a substance (136)
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Concentration
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A measurement of how much substance exists within a ceratin volume (140)
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Dehydration Reaction
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A chemical reaction in which molecules combine by ejecting water (149)
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Diffusion
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The random motin of molecules from an area of high concentration to an area of low concentration (140)
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Disaccharides
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Carbohydrates that are made up of two monosaccharides (149)
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Element
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All atoms that contain the same number of protons (132)
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Hydrophobic
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Lacking an affinity to water (153)
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Hydrogen Bond
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A strong attraction between hydrogen atoms and certain other atoms
(usually oxygen or nitrogen) in specific molecules (160) |
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Hydrolysis
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Breaking down complex molecules by the chemical addition of water (150)
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Isomers
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Two different molecules that have the same chemical formula (148)
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Matter
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Anything that has mass and takes up space (129)
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Model
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An explanation or representation of something that cannot be seen (130)
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Molecules
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Chemicals that result from atoms linking together (134)
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Monosaccharides
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Simple carbohydrates that contain three to ten carbon atoms (149)
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Organic Molecule
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A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous (146)
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Osmosis
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The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration (141)
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Peptide Bond
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A bond that links amino acids together in a protein (154)
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Phase
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One of three forms - solid liquid or gas - which every substance is capable of attaining. (137)
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Physical Change
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A change that affects tha appearance but not the chemical makeup of a substance (136)
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Polysaccharides
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Carbohydrates that are made up of more than two monosaccharides (149)
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Saturated Fat
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A lipid made from fatty acids which have no double bonds between carbon atoms (154)
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Semipermeable membrane
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A membrane that allows some molecules to pass through but does not allow other molecules to pass through (141)
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Unsaturated Fat
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A lipid made from fatty acids that have at least one double bond between carbon atoms (154)
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