| A | B |
|---|
| acid | pH < 7, high in H+ ions |
| pH | used to indicate the acidity and alkalinity of a solution |
| base | pH > 7, high in OH- ions |
| compound | substance composed of two or more different kinds of atoms |
| inorganic compound | compound that does not contain carbon, hydrogen and oxygen together and occurs naturally without living things |
| organic compound | compound that contains carbon and hydrogen and usually associated with living things |
| molecule | substance composed of two or more of the same kinds atoms covalently bonded |
| polysaccharides | complex carbohydrates made of many subunits |
| lipids | organic molecules made of the elements CHO and do not dissolve in water |
| fats & oils | most familiar types of lipids |
| protein | organic molecule made of the elements CHON |
| nucleic acid | organic molecule that is made of the elements CHONP |
| amino acids | subunits which makes up proteins |
| carbohydrates | organic molecules made of the elemenrts CHO and the HO is a 2:1 ratio |
| macromolecules | large molecules containing many subunits |
| neutral | pH = 7, equal H+ and OH- ions |
| nucleotides | subunits that make up nucleic acids |
| fatty acids and glycerol | subunits that make up lipids |
| monosaccharides | subunits that make up carbohydrates |
| DNA or RNA | types of nucleic acids |
| sugars, starch and glycogen | types of carbohydrates |
| water | most abundant molecule in living organisms |
| C, H. and O | elements found in ALL organic molecules |
| C, H, O, and N | ONLY proteins contains just this group of elements |
| polypeptide | chains of amino acids |
