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Chapter 3.3 Notes

Chapter 3.3 Notes

Chapter 3.3 Notes

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<strong>3.3</strong> Cell Membrane<br />

Cell membranes are composed of two phospholipid<br />

layers.<br />

• The cell membrane has two major functions.<br />

– forms a boundary between inside and outside of the<br />

cell<br />

cell membrane<br />

outside cell<br />

inside cell

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