1. Macromolecules
Biology ch. 2-3

2. Hierarchy of Life

3. Atom: Carbon The atom of life
Ability to make four stable covalent bonds C

4. Molecule: Water
Water is found in all living organisms O H H

5. Macromolecules: Large molecules containing: C, H, & O
Carbohydrates
Lipids
Proteins
Nucleic Acids
Building blocks of life!
~33% of your total body weight

6. 1. Carbohydrates Atoms Present: Monomer: Polymer:
Carbon, Hydrogen, Oxygen
Monomer:
Glucose sugar
Polymer:
Starch

7. 1. Carbohydrates Biological Function: Biological Process:
Short term energy
Structural support
Biological Process:
Photosynthesis
Cellular Respiration

8. 2. Lipids Atoms Present: Monomer: Carbon, Hydrogen, Oxygen
Glycerol Head
Fatty Acid Tail

9. 2. Lipids Biological Function: Biological Process:
Long term energy storage
Insulation
Biological Process:
Cellular transport

10. 3. Protein Atoms Present: Monomer: Polymer:
Carbon, Hydrogen, Oxygen, Nitrogen
Monomer:
Amino Acid
Polymer:
Polypeptide Chain

11. 3. Protein Biological Function: Biological Process:
Build or repair tissue
Catalyze chemical reactions (enzyme)
Biological Process:
Gene Expression

12. 4. Nucleic Acid Atoms Present: Monomer: Polymer:
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus
Monomer:
Nucleotide
Polymer:
DNA

13. 4. Nucleic Acid Biological Function: Biological Process:
Storage of heritable information
Helps make protein
Biological Process:
Heredity
Gene Expression