Chapter 25 Slides Sections 1-3
Chapter 25 Slides Sections 1-3
Chapter 25 Slides Sections 1-3
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Protocells<br />
• Replication and metabolism are key properties<br />
of life and may have appeared together<br />
• Protocells may have been fluid-filled vesicles<br />
with a membrane-like structure<br />
• In water, lipids and other organic molecules<br />
can spontaneously form vesicles with a lipid<br />
bilayer<br />
AP Biology<br />
© 2011 Pearson Education, Inc.