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a very large organic molecule, usually a polymer, composed of hundreds or thousands of atoms
a chemical reaction in which two or more molecules combine to produce water or another simple molecule
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
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
a class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen
an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
a fat molecule or a molecule that has similar properties; examples include oils, waxes, and steroids
an organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information
deoxyribonucleic acid, the material that contains the information that determines inherited characteristics
in a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base
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