1. PROTEINS HAVE MANY FUNCTIONS
THEY MAKE UP THE STRUCTURAL AND FUNCTIONAL COMPONENTS OF CELLS/ OF THE BODY.
-Every organism has 1000’s of unique proteins
-Proteins are coded from DNA

2. LIKE MUSCLES

3. HAIR

4. AND NAILS

5. 2. THEY ACT AS ENZYMES TO SPEED UP CHEMICAL REACTIONS.

6. 3. SOME ARE HORMONES.

7. 4. SOME ARE IMPORTANT IN IMMUNITY.

8. 5. SOME ARE IMPORTANT IN TRANSPORT. THEY MAKE UP BLOOD HEMOGLOBIN.

9. PROTEIN STRUCTURE
ALL PROTEINS CONTAIN C, H, O & N.
AMINO ACIDS ARE THE BUILDING BLOCKS.
THERE ARE 20 DIFFERENT AMINO ACIDS FOUND IN HUMANS.
All aa’s have a central C that has a H, COOH (carboxyl group), an amine group (NH2), and an “R” group (a hydrocarbon chain of 2- ? Carbons).

10. BASIC STRUCTURE OF AN AMINO ACIDH C
COOH
NH2 R

11. AMINO ACIDS THERE ARE 20 DIFFERENT AMINO ACIDS
____ ARE NONESSENTIAL, THE BODY CAN MAKE THEM
____ ARE ESSENTIAL, THEY MUST BE IN OUR DIET

12. Two amino acids = dipeptide
Three or more amino acids = polypeptide
Remember ase = enzyme

13. ENZYMES ARE GLOBULAR SHAPED PROTEINS THAT ACT AS BIOLOGICAL CATALYSTS.
CATALYSTS SPEED UP REACTIONS.

14. CHARACTERISTICS OF ENZYMES
ARE DESTROYED BY:
HEAT
STRONG ACIDS
STRONG BASES
THEY COME OUT OF A REACTION EXACTLY AS THEY WENT IN
THEY ARE SPECIFIC, THEY CATALYZE A SINGLE REACTION