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How does the aquaporin prevent h plus ions from passing through?

Anonymous

∙ 14y ago

Updated: 5/26/2024

A lot of selectivity in any protein is often do to charges of particular amino acid residues. Aquaporin will let through H2O which has a 0 charge, but H+ ions are charged and won't pass through them.

Wiki User

∙ 14y ago

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More answers

Aquaporins are water channels that selectively allow the passage of water molecules while blocking the passage of ions, including H+ ions, due to their specific structure and size. The aquaporin's narrow pore does not allow ions to pass through easily, preventing them from moving across the membrane.

AnswerBot

∙ 10mo ago

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Continue Learning about Chemistry

What is the electrolysis of copper sulfate?

The electrolysis of copper sulfate involves passing an electric current through a solution of copper sulfate, which contains copper (II) ions and sulfate ions. At the anode, copper (II) ions are discharged as copper metal, which coats the cathode. This process allows for the purification and electroplating of copper.

How can you effectively remove hardness from water?

One effective way to remove hardness from water is through a process called ion exchange. This involves passing the water through a resin that exchanges calcium and magnesium ions, which cause hardness, for sodium ions. This results in softened water that is free from hardness minerals.

How is deionized water made and what is the process involved in its production?

Deionized water is made by removing ions and impurities from regular water through a process called deionization. This involves passing the water through special filters or resins that attract and trap the ions, leaving behind pure water with a very low conductivity.

How is electrolysis used in the extraction of zinc from its ore?

Electrolysis is used in the extraction of zinc from its ore by passing an electric current through a solution containing zinc ions. This process causes the zinc ions to gain electrons and form solid zinc metal, which can then be collected.

What counteracts the movement of bicarbonate ions from the RBC?

Chloride ions can counteract the movement of bicarbonate ions from red blood cells through a process known as the chloride shift. In this process, chloride ions move into the red blood cells as bicarbonate ions move out, helping to maintain electrochemical equilibrium and prevent excessive accumulation of bicarbonate in the plasma.

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Related Questions

What prevents ions and most large molecules from passing through the membrane?

vacuoles

Where does the energy come from to make at at the chloroplast?

From the motion of hydrogen ions from the kinetic energy of hydrogen ions passing through ATP synthase

Where Does the energy comes from to make at the chloroplasts?

From the motion of hydrogen ions from the kinetic energy of hydrogen ions passing through ATP synthase

Where does the energy come from ATP at the chloroplast?

From the motion of hydrogen ions from the kinetic energy of hydrogen ions passing through ATP synthase

Where does the energy come from to make ATP the chloroplast?

From the motion of hydrogen ions from the kinetic energy of hydrogen ions passing through ATP synthase

Describe how the diffusion of ions across a cell membrane differs from the diffusion of nonpolar molecules across the cell membrane?

Ions undergo facilitated diffusion through ion channels or active transport mechanisms due to their charge, whereas nonpolar molecules diffuse freely through the cell membrane by simple diffusion. Ion movement is regulated and specific, while nonpolar molecules move passively without the need for specific channels or transporters.

Where does the energy come from to make ATP at the chloroplast?

From the motion of hydrogen ions from the kinetic energy of hydrogen ions passing through ATP synthase

Do ions and other small water-soluble materials cross the cell membrane only by passing through the channels?

No, ions and other small water-soluble materials can also cross the cell membrane through processes like simple diffusion or facilitated diffusion, in addition to passing through specific channels. Additionally, active transport mechanisms can move ions against their concentration gradient, requiring energy input.

How can you effectively remove hardness from water?

One effective way to remove hardness from water is through a process called ion exchange. This involves passing the water through a resin that exchanges calcium and magnesium ions, which cause hardness, for sodium ions. This results in softened water that is free from hardness minerals.

What is the electrolysis of copper sulfate?

The electrolysis of copper sulfate involves passing an electric current through a solution of copper sulfate, which contains copper (II) ions and sulfate ions. At the anode, copper (II) ions are discharged as copper metal, which coats the cathode. This process allows for the purification and electroplating of copper.

How is deionized water made and what is the process involved in its production?

Deionized water is made by removing ions and impurities from regular water through a process called deionization. This involves passing the water through special filters or resins that attract and trap the ions, leaving behind pure water with a very low conductivity.

Can ions diffuse through a membrane?

Yes, ions can diffuse through a membrane.

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