1. Organic Compounds Organic Compounds What are the two types of pure substance? What are four organic compounds?

2. Pure Substances vs Mixtures Pure = Made of one type of particle Pure = Made of one type of particle Elements and compoundsElements and compounds Mixture = more than one type of particle Mixture = more than one type of particle

3. Elements – substance that can’t be broken down into a simpler substance Elements – substance that can’t be broken down into a simpler substance Unit = atomUnit = atom In living things:In living things: carbon C, carbon C, hydrogen H, hydrogen H, oxygen O, oxygen O, nitrogen N, nitrogen N, phosphorus P, phosphorus P, sulfur S sulfur S

4. Compound – elements chemically combined Compound – elements chemically combined In living things:In living things: water, water, Carbohydrates Carbohydrates Lipids Lipids Proteins Proteins amino acids amino acids

5. Carbohydrates & Lipids

6. Carbs = sugars & starches Carbs = sugars & starches Used for energy (food)Used for energy (food) Used in cell structures & membranesUsed in cell structures & membranes Lipids = fats & oils Lipids = fats & oils Used for energy (food) storageUsed for energy (food) storage Used in cell membranesUsed in cell membranes

7. Proteins & Nucleic Acids

8. Proteins Proteins Structure of cell organellesStructure of cell organelles Catalysts for chemical reactionsCatalysts for chemical reactions Nucleic Acids Nucleic Acids Structure of DNA and RNAStructure of DNA and RNA stores genetic informationstores genetic information Contains instructions for cell functionsContains instructions for cell functions http://learn.genetics.utah.edu/conten t/cells/scale/