Todd

__Proteins-__are very important molecules in our cells. Some proteins are involved in structural support. While others are involved in bodily movement, or in defense against germs. **Antibodies** -specialized proteins involved in defending the body from antigens **Contractile Proteins** - responsible for movement **Enzymes** - proteins that facilitate biochemical reactions  **Transport Proteins** - carrier proteins which move molecules from one place to another around the body Protein amino acids