tiny particle that makes up all matter

substances made up of just one type of atom

a group of atoms that are held together by chemical bonds

a substance made up of atoms of two or more different elements joined by chemical bonds

a fat molecule that stores and releases energy and helps form cell membranes; examples include oils, waxes, and steroids

a molecule made up of smaller molecules called amino acids used to build and repair cell structures and to regulate body processes

a molecule that stores and releases energy; examples include sugars, starches, and fiber

a molecule that contains instructions for cells processes; DNA is one type

a lipid that contains phosphorus and that is a structural component in cell membranes

used to make new proteins; the building blocks of proteins

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