Answered: Which of the following can transport…

Which of the following can transport more than one different type of ion or molecule across the cell membrane? Aquaporin Voltage-gated K+ channel Glucose carrier protein None of the above

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter3: Cells And How They Work

Section: Chapter Questions

Problem 5SQ: The passive movement of a solute through a membrane protein down its concentration gradient is an...

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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

Which of the following can transport more than one different type of ion or molecule across the cell membrane?

		Aquaporin
		Voltage-gated K+ channel
		Glucose carrier protein
		None of the above

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