1. You should be able to identify these by their structure
Biomolecules
You should be able to identify these by their structure

4. Lipids
Figure 2.14a, b
Slide 2.31
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

5. Enzymes Act as biological catalysts
Increase the rate of chemical reactions
Figure 2.16
Slide 2.34
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

6. pH Measures relative concentration of hydrogen ions pH 7 = neutral
pH below 7 = acidic
pH above 7 = basic
Buffers
Chemicals that can regulate pH change
Figure 2.11
Slide 2.25
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings