1. Molecular basis of life
Biomolecules
Molecular basis of life

2. Polymers Monomer-one unit Polymer-many units
“mer” means unit
“mono” means one
Monomer-one unit
“poly” means many
Polymer-many units
Polymers are made of many monomers

3. Four majors types of Biomolecules
Carbohydrates
Lipids
Proteins
Nucleic Acids

4. Carbohydrates Monomer-simple sugar like glucose
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Monomer-simple sugar like glucose
Stores energy and provides structure
Simple Sugars
Glycogen
Starch – in plants

5. Candy Question
What are lipids?

6. Lipids Used to store energy Important categories Structure
One gram of fat contains over twice the energy of one gram of carbohydrate
Important categories
Fats, Oils, Waxes
Steroids
Phospholipids
Structure
Glycerol molecule + 3 fatty acids

7. Proteins Monomer-amino acid
Provide structure and help chemical reactions
Enzymes-speed up chemical reactions

33. Candy Question What is the last type of biomolecule?
What is a common name for this type of biomolecule?

34. Nucleic Acids Monomer-Nucleotide
Stores and transmits genetic information
Two types
Deoxyribonucleic acid – DNA
Ribonucleic acid - RNA

35. Candy Question
What is the relationship between a monomer and a polymer?

36. Candy Question
Without looking, name the four types of biomolecules.

37. Candy Question
What do enzymes do?