1.It is known that there is an ionic asymmetry between inside and outside of the cells membrane. Na+, K+, C1- and Ca2+concentrations were increased inside and outside separately for the each of ions at rest. How and why will the MRP and AP be changed in this condition: 1) Na+ 2) K+ 3) Cl-; 4) Ca2+?

1.It is known that there is an ionic asymmetry between inside and outside of the cells membrane. Na+, K+, C1- and Ca2+concentrations were increased inside and outside separately for the each of ions at rest. How and why will the MRP and AP be changed in this condition: 1) Na+ 2) K+ 3) Cl-; 4) Ca2+?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter38: Introduction To Animal Organization And Physiology

Section: Chapter Questions

Problem 9TYK

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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

Question

1.It is known that there is an ionic asymmetry between inside and outside of the cells membrane. Na+, K+,
C1- and Ca2+concentrations were increased inside and outside separately for the each of ions at rest. How and why will the MRP and
AP be changed in this condition: 1) Na+ 2) K+ 3) Cl-; 4) Ca2+?

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