Biolo1100
Chapter 3
Molecules of Life
Macromolecules
are formed by linking subunits of
monomers
through
dehydration
synthesis
and broken down by
hydrolysis
reactions.
There are
four
classes of macromolecules.
Proteins
( polypeptides )
Carbohydrates
(
polysaccharides
)
Nucleic
acids
( DNA and RNA )
Lipids
( fats )