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Ch.3 vocab section 1
Ch.3 vocab section 1
8
Biology
9th Grade
10/16/2011

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Term
Organic Compund
Definition
a covalently bonded compound that contains carbon, excluding carbonates and oxides
Term
Functional Group
Definition
the portion of a molecule that is active in a chemical reaction and that determines the properties of many organic compounds
Term
Monomer
Definition
a simple molecule that can combine with other like or unlike molecules to make a polymer
Term
Polymer
Definition
a large molecule that is formed by more than five monomers, or small units
Term
Macromolecule
Definition
a very large organic molecule, usually a polymer, composed of hundreds or thousands of atoms
Term
Condensation Reaction
Definition

a chemical reaction in which two or more molecules combine to produce water or another simple molecule
Term
Hydrolysis
Definition
a chemical reaction between water and another substance to form two or more new substances; a reaction between water and a salt to create an acid or a base
Term
Adenosine Triphosphate (ATP)
Definition
adenosine triphosphate, an organic molecule that acts as the main energy source for cell processes; composed of a nitrogenous base, a sugar, and three phosphate groups
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