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A&P CH2 key terms

A&P CH2 Chemical Basis of Life key terms

TermDefinition
atom smallest particle of an element that has the properties of that element
carbohydrate organic compound that contains carbon, hydrogen, and oxygen, in a 1:2:1 ratio
decomposition the breakdown of molecules into simpler compounds
electrolyte a substance that ionizes in water solution
element a chemical substance with only one type of atom
inorganic chemical substances that lack carbon and hydrogen
ion an atom or molecule with an electrical charge
lipid a fat, oil, or fat-like compound that usually has fatty acids in its molecular structure
molecular formula an abbreviation for the number of atoms of each element in a compound
molecule a particle composed of two or more joined atoms
nucleic acid a substance composed of bonded nucleotides, RNA or DNA
organic carbon-containing molecules
protein nitrogen-containing organic compound of joined amino acid molecules
structural formula a representation of the way atoms bond to form a molecule, using symbols for each element and lines to indicate chemical bonds
synthesis building large molecules from smaller ones that join
 



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