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 Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Can you please answer question 20, and 23
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax
Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax
Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:
9780815344322
Author:
Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:
W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:
9781260159363
Author:
Martin, Terry R., Prentice-craver, Cynthia
Publisher:
McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:
9781260231700
Author:
Sylvia S. Mader, Michael Windelspecht
Publisher:
McGraw Hill Education