In contrast to transporters and carriers, channels:O Are selective for the specific solutes (e.g., ions) they transportRequire solutes (e.g., ions) to bind to them in order to be transportedO Create pores through the membraneSaturate after reaching the maximum rate of transport

Cell is separated from the external enviroment with the help of cell membrane. This cell membrane is…

In contrast to transporters and carriers, channels: O Are selective for the specific solutes (e.g., ions) they transport O Require solutes (e.g., ions) to bind to them in order to be transported O Create pores through the membrane O Saturate after reaching the maximum rate of transport

In contrast to transporters and carriers, channels: O Are selective for the specific solutes (e.g., ions) they transport O Require solutes (e.g., ions) to bind to them in order to be transported O Create pores through the membrane O Saturate after reaching the maximum rate of transport

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 4UC

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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

In contrast to transporters and carriers, channels:
O Are selective for the specific solutes (e.g., ions) they transport
Require solutes (e.g., ions) to bind to them in order to be transported
O Create pores through the membrane
Saturate after reaching the maximum rate of transport

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