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BIO120-Membrane Quiz

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1. What portion of the plant cell is responsible for the fact that the cell does not burst when placed in a hypotonic solution?




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2. The term for membranes which allow some molecules to pass through while blocking passage of other molecules.




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3. Does diffusion move molecules down or up the concentration gradient?




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4. Another name for passive transport.




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5. ______ is a type of endocytosis in which a cell engulfs a particle by extending pseudopodia around it and creating a food vacuole.




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6. When the solute concentration is less.




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7. Which type of membrane protein is only bound to the surface of the membrane?




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8. This term describes conditions when the solute concentration is greater.




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9. Molecules like sugars and water are _____ and _____ and cannot pass easily through the membrane.




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10. Molecules like diatomic oxygen are _____ and _____ and can pass easily through the membrane.




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11. Exocytosis




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12. CD4 and CCR-5 cell surface proteins




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13. Turgid




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14. Glycolipids




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15. Integral proteins




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16. isotonic




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17. They will not pack tightly together.




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18. Fatty Acid Tails




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19. The insertion of the proteins.




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20. Channel and Carrier





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