| A | B |
|---|
| Hydroxyl Group; Found in Alcohols |  |
| Carbonyl Group; Found in Sugars; Molecule is an Aldehyde if the Carbonyl is Connected to the First or Last Carbon |  |
| Carbonyl Group; Found in Sugars; Molecule is a Ketone if the Carbonyl is Connected to a Central Carbon (Not at the Ends) |  |
| Carboxyl Group; Molecules Containing This Group are Called Carboxylic Acids (Carboxyl Groups have Acidic Properties) |  |
| Amino Group; Only Functional Group that Contains Nitrogen; Molecules Containing Amino Groups are Known as Amines |  |
| Phosphate Group; Associated with Energy Molecules (Mainly ATP); Only Functional Group that Contains Phosphorus |  |
| Methyl Group; Important for Regulation of DNA/Genes |  |
