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2 within a phospholipid bilayer the head groups face

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2. Within a phospholipid bilayer, the head groups face the inside and outside of the cell, whereas the fatty acid tails face each other. Why is the phospholipids membrane arranged in this manner? 3. What are the roles of the membrane proteins found within the cell membrane? 4. Name and describe three types of passive transport.
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Name: ________________________________________________ Period: ____ Date: ___________ 5. For the following situations, label the cell and solution tonicity as either hypotonic, hypertonic, or isotonic: vsfsafadf Figure A Figure B Figure C Cell Tonicity: _____________________ Cell Tonicity: _____________________ Cell Tonicity: _____________________ Solution Tonicity: __________________ Solution Tonicity: __________________ Solution Tonicity: __________________ 6. What will happen to the cell in figure B if it is an animal cell? Explain. 7. What will happen to the cell in figure B if it was a plant cell? Explain. 8. Name and describe three types of active transport. 9. Describe the differences between passive and active transport. 40% salt solution 20% salt 0% salt solution 20% salt solution 20% salt 20% salt
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Name: ________________________________________________ Period: ____ Date: ___________ 10. Label the following processes: a) ___________________________ b) ___________________________
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