| A | B |
|---|
| atom | the cell's smallest component, stores energy,mostly empty space |
| element | atoms put together |
| ionic bond | bonds that gain or lose electrons |
| covalent bond | bonds that share electrons |
| hydrogen bond | bonds attracted to eachother that is polar |
| macromolecules | small organic compouds linked together |
| lipids | made of glyceral and 3 fatty acids, store energy, are a component of cell membranes |
| carbohydrates | store energy,provide support, composed of C,H,O in 1:2:1 ratio |
| protein | long chains of amino acids |
| nucleic acid | made of nucleotides and stores hereditary information |
| cellulose | (cell wall of plant) body can't break down |
| glycogen | animals store carbohydrates in the form of glucose |
| digestion | breaks down carbohydrates into shorter framgments |
| polysaccharide | starches combined of many sugars |
| monosaccharide | simple sugars |
| saturated fats | maximum # of Hydrogens and are lipids |
| unsaturated fats | have Carbon double bonds |
| compound | group of atoms held together by chemical bonds |
| acid | compound forming hydrogen ions in water |
| base | compound forming hydroxide ions in water |
