Ch. 3.3
Organic Compounds
Organic Chemistry
All chemicals can be classified two
ways:
1.Organic – Contain Carbon
2.Inorganic – Do Not Contain Carbon
Macromolecules…
“giant molecules”
Macromolecules are made from hundreds
or thousands of smaller molecules
The small units are called monomers
A bunch of monomers put together is
called a polymer
Macromolecules
Each macromolecule is made up of
smaller parts call monomers.
4 Organic Macromolecules…
Proteins
Monomers: amino acids
Carbohydrates – polymer: polysaccharides
Monomers: monosaccharide
Lipid –
Monomers – fatty acids
Nucleic Acids - polymers: DNA and RNA
nucleuotides
Carbohydrates
Carbohydrate=Molecules made of sugars
(glucose).
Found in: breads, grains, fruits and starchy
foods.
Carbohydrates
Monomer= Monosaccharide
“Single sugar”
Glucose
Disaccharide= “double sugar”
Sucrose
Carbohydrates
Made of C, H, O.
Uses for carbohydrates:
a. Energy-bodies first source of energy.
b. Structure- cell have carbohydrates in
their cells instead of a skeleton.
Lipids (FATS!)
Lipid= Macromolecules that include fats,
phospholipids, steroids and waxes.
Found in: body fat, steroids, waxes.
Lipids
 Fats are water
resistant
 Made of: C, H, O.
 Monomers-Fatty
acids (have three long
chains of carbon).
Lipids
 Uses for lipids
a. Long term energy
storage.
b. Water barriers
Protein
Protein= a molecule made up of amino
acids.
Found in: muscle, eggs, dairy, enzymes,
horns and many other living structures.
Protein
Made of: C, H, O, N
Monomers: Amino acids (many different
kinds).
Protein
Uses for proteins:
a. Hair, hooves- structure
b. Muscle movement
c. Energy-the bodies last resort!
d. Enzymes-speed up body reactions
Nucleic Acids
Nucleic acids=A long chain of nucleotides.
Found in: DNA and RNA (only)
Nucleic Acid
Made of: C, H, O, P, N
Monomers-Nucleotides
Nucleic Acids
 Uses for Nucleic
Acids:
-Storing genetic
information in DNA
and RNA.
Review
Protein
Carbohydrate
Lipid
Nucleic acid
http://www.youtube.com/watch?v=VS2mf
WDryPE
Reflection-Exit Slip
1. How did this video make you feel?
2. Do you think it was right for Caro to do
the anorexia ad?
3. Do you think her body has an Carbs to
burn? Fats? Muscle?
4. What may be affected by her lack of
lipids?