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Chemistry Review


Table 2.
Biologically Important Macromolecules
Macromolecule Subunit Example

Carbohydrates
starch, glycogen
cellulose, chitin

Potatoes
Paper
Crab Shells
Function Stores energy
Makes up cell walls in plants
Makes up the exterior skeleton in some animals

Lipids
fats(triglycerides)
phospholipids
steroids

Butter
All membranes
Cholesterol, estrogen

Function Store energy
Make up cell membranes
Act as chemical messangers
Proteins
globular
structural

Hemoglobin
Muscle
Function Help chemical reactions take place
Make up tissues that support body structures and provide movement

Nucleic Acids
DNA
RNA

 

Chromosomes
Messenger
Function Helps code hereditary information
Helps decode hereditary information