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A&P CH2 key terms
A&P CH2 Chemical Basis of Life key terms
Term | Definition |
---|---|
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 |