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25 Cards in this Set
- Front
- Back
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Acid?
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A solution with a higher concentration of hydrogen ions than hydroxide ions; solutions with a pH below 7.
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Activation Energy?
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Minimum amount of energy needed to initiate a chemical reaction.
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Amino Acid?
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Simple compound that is the building block of proteins.
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Base?
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Solutions with a higher concentration of hydroxide ions than hydrogen ions; solutions with a pH above 7.
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Carbohydrate?
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Organic compound containing carbon, hydrogen, and oxygen; provide sources of energy for life processes.
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Chemical Formula?
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A group of symbols showing the number and kind of each atom in a compound.
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Coenzyme?
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Nonprotein, reusable helper molecule that helps enzymes activate chemical reactions.
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Compound?
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Substance with two or more atoms of different elements combined chemically.
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Covalent Bond?
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Occurs when atoms combine by sharing electrons.
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Electron Cloud?
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Space that electrons occupy while moving around the nucleus.
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Element?
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Substance composed of only one type of atom.
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Energy Level?
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Any of several different regions in which electrons travel around the nucleus.
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Enzyme?
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Reusable protein that lowers the required activation energy and allows reactions to happen at the normal temperatures of cells.
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Ion?
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A charged atom resulting from an atoms loss or gain of one or more negative charges.
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Ionic Bond?
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Force of attraction between ions.
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Isomers?
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Organic molecules with the same chemical formula but different structural formula.
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Kinetic Energy?
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The energy of motion.
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Lipid?
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Fats, oils and waxes.
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Molecule?
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Combination of two or more atoms joined by a covalent bond.
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Nucleic Acid?
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Biological compound that forms a code to determine a living thing's appearance and behavior.
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Polypeptide?
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Many amino acids bonded together.
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Polysaccharide?
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The most complex carbohydrate which is formed by long chains of monosaccharides.
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Potential Energy?
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Stored energy or energy of position.
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Protein?
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Organic molecules used to build living material, carry out chemical reactions, fight disease, or transport particles out of cells.
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Solution?
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A mixture of different substances in which every part of the mixture is the same.
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