1. Chapter 2 Review By:DJ Wilkes 2-5-13

2. Intro All living organisms undergo changes due to large organic compounds called macromolecules. Four main types of macromolecules control all activities. They are: Proteins Lipids Nucleic Acids Carbohydrates

3. All living organisms undergo changes due to large organic compounds called macromolecules. Four main types of macromolecules control all activities. They are: Proteins Lipids Nucleic Acids Carbohydrates

4. Indicators Macromolecules Test Simple Carbohydrate – Benedict’s Complex Carbohydrate-Iodine Protein – Biuret Lipid-Sudan IV Benedict’s Solution: Blue to Orange using Heat Iodine Solution: Brown to Black Biuret Solution: Blue to pink Sudan IV: Red to darker Red