Hydrogen ions are charged. What would need to happen to transport them across a cell membrane, and which direction would they "flow" What would have to happen to get them to move the other way? pH 7 00000000 00000000 ||||| |||||| |||||||| 000000000 000000 pH 2

Hydrogen ions are charged. What would need to happen to transport them across a cell membrane, and which direction would they "flow" What would have to happen to get them to move the other way? pH 7 00000000 00000000 ||||| |||||| |||||||| 000000000 000000 pH 2

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter3: The Plasma Membrane And Membrane Potential

Section: Chapter Questions

Problem 5RE: Using the answer code on the right, indicate which membrane component is responsible for the...

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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

Hydrogen ions are charged. What would need to happen to transport them across a cell membrane, and which direction would they "flow"?
What would have to happen to get them to move the other
way?
pH 7
000000000000000000
|||||||||||
|||||||
-----------||||||||||||||
000000000000000000
pH 2

Expert Solution

Step 1

The plasma membrane is the dynamic, fluid structure that forms the boundary of the cell. It regulates the molecules across the cell, thus, is selectively permeable, allowing some molecules to cross it more easily than others.

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