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Arrange the following solutes based on their membrane permeability, starting with the solute that has the highest membrane permeability:

1. Oxygen gas
2. Water
3. Glucose
4. Potassium ions

Answer :

Final answer:

The arrangement of solutes based on their membrane permeability from highest to lowest is: oxygen gas, water, glucose, and potassium ions. Oxygen gas, being small and nonpolar, crosses the membrane easily, while water uses aquaporins. Glucose requires transport proteins and potassium ions need ion channels, making them the least permeable.


Explanation:

Arrangement of Solutes Based on Membrane Permeability


Membrane permeability refers to the ability of substances to pass through the biological membrane. Different solutes have varying abilities to cross membranes due to their size, polarity, and solubility properties. Below is the arrangement of the provided solutes from highest to lowest membrane permeability:



  2. Oxygen gas

  4. Water

  6. Glucose

  8. Potassium ions


Oxygen gas has the highest permeability because it is a small, nonpolar molecule that can easily diffuse across the lipid bilayer. Water, while polar, can still pass through via specialized channels called aquaporins. Glucose is larger and polar, requiring specific transport proteins to enter cells, thus decreasing its permeability. Lastly, Potassium ions are charged and cannot freely pass through the membrane without the help of ion channels, making them the least permeable among the list.


Learn more about membrane permeability here:

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