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than the outside 15. The inside of the cell is more Positive c. Negative d. None of the above a. b. Neutral 16. Na channels allow Na* jons to move Down their concentration gradient into the cell b. Against their concentration gradient into the cell Down their concentration gradient out of the cell d. Against their concentration gradient out of the cell 17. Na"/K* pump cause Na* and K* to move: a. Down their concentration gradient b. Against their concentration gradient Use ATP d. They do not move a. C. c. 18. The chemical signal released by nerve cells is called a: c. Lipid d. Neurotransmitter a, Glucose b. Nucleic acid 19. What would happen to the membrane potential when Na* ions flow down their concentration gradient? a. The exterior of the cell will become less negative b. The interior of the cell will become less negative c. The exterior of the cell will become more positive d. None of the above 20. Channel proteins facilitate the transport of molecules by: a. Active transport c. Passive transport d. Active and passive transport b. Osmosis 21. All the following are transmembrane pumps that facilitate active transport except: a. ATP-driven pump c. Coupled pumps d. Na channels 22. Initiating a passive spread signal works best at short distances. b. Na*/K* pump a. True b. False 23. What would happen to the membrane potential when K ions flow down their concentration gradier a. The outside of the cell become more negative b. The inside of the cell become more positive The inside of the cell becomes more negative c. d. All of the above 24. Opening and closing of a. Mechanically- gated b. Ligand-gated 25. The opening of a. Mechanically- gated b. Ligand-gated channels is controlled by the membrane potential. c. Voltage-gated d. DNA channels are controlled by applying force to the channel. c. Voltage-gated d. DNA

than the outside 15. The inside of the cell is more Positive c. Negative d. None of the above a. b. Neutral 16. Na channels allow Na* jons to move Down their concentration gradient into the cell b. Against their concentration gradient into the cell Down their concentration gradient out of the cell d. Against their concentration gradient out of the cell 17. Na"/K* pump cause Na* and K* to move: a. Down their concentration gradient b. Against their concentration gradient Use ATP d. They do not move a. C. c. 18. The chemical signal released by nerve cells is called a: c. Lipid d. Neurotransmitter a, Glucose b. Nucleic acid 19. What would happen to the membrane potential when Na* ions flow down their concentration gradient? a. The exterior of the cell will become less negative b. The interior of the cell will become less negative c. The exterior of the cell will become more positive d. None of the above 20. Channel proteins facilitate the transport of molecules by: a. Active transport c. Passive transport d. Active and passive transport b. Osmosis 21. All the following are transmembrane pumps that facilitate active transport except: a. ATP-driven pump c. Coupled pumps d. Na channels 22. Initiating a passive spread signal works best at short distances. b. Na*/K* pump a. True b. False 23. What would happen to the membrane potential when K ions flow down their concentration gradier a. The outside of the cell become more negative b. The inside of the cell become more positive The inside of the cell becomes more negative c. d. All of the above 24. Opening and closing of a. Mechanically- gated b. Ligand-gated 25. The opening of a. Mechanically- gated b. Ligand-gated channels is controlled by the membrane potential. c. Voltage-gated d. DNA channels are controlled by applying force to the channel. c. Voltage-gated d. DNA

Human Biology (MindTap Course List)
Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter9: Immunity And Disease
Section: Chapter Questions
Problem 6SQ: Cell-mediated responses work best against ________. a. pathogens inside cells b. pathogens outside...
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Can you please answer question 20, and 23 

than the outside 15. The inside of the cell is more Positive c. Negative d. None of the above a. b. Neutral 16. Na channels allow Na* jons to move Down their concentration gradient into the cell b. Against their concentration gradient into the cell Down their concentration gradient out of the cell d. Against their concentration gradient out of the cell 17. Na"/K* pump cause Na* and K* to move: a. Down their concentration gradient b. Against their concentration gradient Use ATP d. They do not move a. C. c. 18. The chemical signal released by nerve cells is called a: c. Lipid d. Neurotransmitter a, Glucose b. Nucleic acid 19. What would happen to the membrane potential when Na* ions flow down their concentration gradient? a. The exterior of the cell will become less negative b. The interior of the cell will become less negative c. The exterior of the cell will become more positive d. None of the above 20. Channel proteins facilitate the transport of molecules by: a. Active transport c. Passive transport d. Active and passive transport b. Osmosis 21. All the following are transmembrane pumps that facilitate active transport except: a. ATP-driven pump c. Coupled pumps d. Na channels 22. Initiating a passive spread signal works best at short distances. b. Na*/K* pump a. True b. False 23. What would happen to the membrane potential when K ions flow down their concentration gradier a. The outside of the cell become more negative b. The inside of the cell become more positive The inside of the cell becomes more negative c. d. All of the above 24. Opening and closing of a. Mechanically- gated b. Ligand-gated 25. The opening of a. Mechanically- gated b. Ligand-gated channels is controlled by the membrane potential. c. Voltage-gated d. DNA channels are controlled by applying force to the channel. c. Voltage-gated d. DNA
Transcribed Image Text:than the outside 15. The inside of the cell is more Positive c. Negative d. None of the above a. b. Neutral 16. Na channels allow Na* jons to move Down their concentration gradient into the cell b. Against their concentration gradient into the cell Down their concentration gradient out of the cell d. Against their concentration gradient out of the cell 17. Na"/K* pump cause Na* and K* to move: a. Down their concentration gradient b. Against their concentration gradient Use ATP d. They do not move a. C. c. 18. The chemical signal released by nerve cells is called a: c. Lipid d. Neurotransmitter a, Glucose b. Nucleic acid 19. What would happen to the membrane potential when Na* ions flow down their concentration gradient? a. The exterior of the cell will become less negative b. The interior of the cell will become less negative c. The exterior of the cell will become more positive d. None of the above 20. Channel proteins facilitate the transport of molecules by: a. Active transport c. Passive transport d. Active and passive transport b. Osmosis 21. All the following are transmembrane pumps that facilitate active transport except: a. ATP-driven pump c. Coupled pumps d. Na channels 22. Initiating a passive spread signal works best at short distances. b. Na*/K* pump a. True b. False 23. What would happen to the membrane potential when K ions flow down their concentration gradier a. The outside of the cell become more negative b. The inside of the cell become more positive The inside of the cell becomes more negative c. d. All of the above 24. Opening and closing of a. Mechanically- gated b. Ligand-gated 25. The opening of a. Mechanically- gated b. Ligand-gated channels is controlled by the membrane potential. c. Voltage-gated d. DNA channels are controlled by applying force to the channel. c. Voltage-gated d. DNA
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ISBN:
9781305112100
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Publisher:
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