1. Fats, Carbs, and Proteins
A. Dietary Sources
Protein: The Movie
Proteins

2. Fats, Carbs, and Proteins
B. Functions of Proteins
/Growth and repair
1. Structural and Non-catalytic Proteins
a. muscle tissue: actin and myosin fibers
b. keratin: hair, finger nails, rhino horns
Proteins
c. collagen: connective matrix
d. hemoglobin ?
e. insulin
f. antibodies

3. Fats, Carbs, and Proteins
B. Functions and Types of Proteins
2. enzymes
a. Organic catalysts (two word defintion)
i. Helps reactions to occur by lowering activation energy
Proteins
C. Structure of Proteins
1. Building blocks
a. amino acids R =
20 structures R
Amine radical
Carboxyl radical

4. Fats, Carbs, and Proteins
Amino Acids You Should Know
Proteins
Glycine
Alanine

5. Fats, Carbs, and Proteins
Amino Acids You Should Know
Proteins
Serine
Cysteine

6. Fats, Carbs, and Proteins
D. Putting together the Building Blocks
What process is used to build a fat?
What process is used to build a Carb?
What process is used to build a protein?
water
Dehydration Synthesis
Proteins

7. Fats, Carbs, and Proteins
D. Putting together the Building Blocks
Proteins
Peptide Bond
Two characteristics of a peptide bond
a. Carbon – nitrogen bond
b. Double bonded oxygen on carbon atom