1. How is the cell membrane similar to a plastic bag with tiny holes? 2. What two components make up the cell membrane? a. What are their functions? 3. What is the fluid mosaic model? 4. Sketch a section of the cell membrane, showing both phospholipids and proteins. Label your drawing. 5. Label the diagram of the phospholipid molecule below with the following terms: hydrophilic head, hydrophobic tail This diagram shows a Head simplified version of a phospholipid molecule. Tails

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