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Carbon Compounds and Molecules of Life

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Term
Definition
Organic Compounds   Compounds made primarily of carbon atoms.  
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Functional Groups   Clusters of atoms that influence the characteristics of the molecules they compose and the chemical reactions the molecules undergo.  
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Monomers   What many carbon compounds are made up of.  
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Polymer   A molecule that consists of repeated, linked units.  
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Macromolecules   Large polymers.  
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Condensation Reaction   When monomers link together to form polymers through a chemical reaction.  
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Hydrolysis   A reaction where water is used to break down a polymer.  
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Adenosine Triphosphate (ATP)   A compound used to store large amounts of energy in their structure.  
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Carbohydrates   Organic compounds composed of carbon, hydrogen, and oxygen in a ratio of about one carbon atom to two hydrogen atoms to one oxygen atom.  
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Monosaccharide   A monomer of carbohydrate's. A simple sugar.  
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Disaccharide   Two monosaccharides or double the sugar.  
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Polysaccharide   A complex molecule composed of three or more monosaccharides.  
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Proteins   Organic compounds composed mainly of carbon, hydrogen, and nitrogen.  
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Amino Acids   The long chains that make up proteins.  
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Peptide Bond   A condensation reaction with two amino acids to form a covalent bond.  
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Enzymes   RNA or protein molecules that act as biological catalysts. Essential to the function of any cell.  
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Substrate   The reactant that is being catalyzed.  
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Active Site   The place where the enzyme and the substrate meet.  
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Lipids   Large, nonpolar organic molecules.  
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Fatty Acids   Unbranched carbon chains that make up most lipids.  
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Phospholoids   Have two rather than three fatty acids attached to a molecule of glycerol.  
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Wax   A type of structural lipid consisting of a long fatty acid chain joined to a long alcohol chain.  
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Steroids   The molecules in this substance are composed of four fused carbon rings with various functional groups attached to them.  
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Nucleic Acids   Very large and complex organic molecules that store and transfer important information into the cell.  
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Deoxyribonucleic Acid (DNA)   Contains information and determines characteristics of of an organism and directs cell activities.  
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Ribonucleic Acid (RNA)   Stores and transfers information from DNA that is essential for the manufacturing of proteins.  
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Nucleotide   The thousands of linked monomers that make up DNA and RNA molecules  
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