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20 Cards in this Set
- Front
- Back
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Substances made during a chemical reaction. |
Products |
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Substances changed during a chemical reaction. |
Reactants |
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Molecules that contain C, H, O, N and sometimes S. |
Amino Acids |
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Polymers made of monomers of amino acids. |
Proteins |
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Chains of carbon atoms bonded to hydrogen atoms. |
Fatty Acids |
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Polymers that are made up of monomers called nucleotides. |
Nucleic Acids |
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Nonpolar molecules: fats, oils, cholesterol and waxes. |
Lipids |
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Molecules composed of C, H, and O and include sugars and starches. |
Carbohydrates |
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Large molecule, macromolecule that is made up of many monomers bonded together. |
Polymer |
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Subunit of a molecule. |
Monomer |
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A mixture of substances that is the same throughout; homogeneous |
Solution |
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Attraction of molecules of different substances. |
Adhesion |
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Attraction among molecules of a substance. |
Cohesion |
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An attraction between a slightly positive hydrogen atom and a slightly negative atom, usually nitrogen or oxygen. |
Hydrogen Bond |
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Two or more atoms held together by covalent bonds. |
Molecule |
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A particular part of an atom, cannot be ordinarily broken down into a simpler substance. |
Element |
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Smallest basic unit of matter. |
Atom |
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Catalysts for chemical reactions in living things. |
Enzyme |
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A substance that decreases the activation energy needed to start a chemical reaction, Increases rates of reactions. |
Catalyst |
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Amount of energy that needs to be absorbed for a chemical reaction to start. |
Activation Energy |
