Biology 12

5

Chapter

Contents

1.1 Atoms and Bonding 6

MiniLab:

Using Chemicals Safely 8

1.2 Biological Macromolecules

and Their Subunits 14

MiniLab:

Reviewing Macromolecules 20

1.3 Making and Breaking

Macromolecules 21

Investigation 1-A: Acids,

Bases, and Cellular pH 22

Investigation 1-B: Finding the

Products of Hydrolysis 24

Thinking Lab:

Polypeptides and Polarity 28