| A | B |
|---|
| Atoms | the cells smallest components |
| Ions | an unequal number of protons and elecrtrons |
| Compound | a group of atoms held together by chemical bonds |
| Covalent Bonds | a bond in which electrons are shared |
| List the properties of water... | adhesive, cohesive, ionizes, and is a powerful solvent and is also polar |
| Acids | a compound formming H+ ions in water |
| Bases | a compound forming OH- ions in water |
| What is the pH scale used for? | to determine whether something is an acid or a base |
| Macromolecules | are made up of building blocks |
| Kinds of macromolecules are... | carbohydrates, lipids, proteins, nucleic acids |
| The two types of nucleic acids are... | DNA & RNA |
| Glucose | monosaccharide |
| Monosaccharide | simple sugars |
| Digestion | breaks polysaccharides down into shorter fragments |
| Glycogen | animals store sugar in this form of glucose |
| Cellulose | (cell wall of a plant), the body cant break these sugars down |
| What are the building blocks of lipids? | glycerol plus three fatty acids |
| Many hormones are... | steriods |
| Collagen are... | the most abundant protien in body |
| Building blocks of proteins? | chemicals called amino acids |
