Study the following table and identify the correct sequence of cell which shows the path of water movement between them : Osmotic potential Pressure potential Cell (MPs) (MPa) A - 0.95 0.40 - B - 0.75 0.40 C - 0.85 0.25 -
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- Assume that a beaker is divided in half by a membrane which is permeable to water only. A 0.45 M glucose solution is on one side of the membrane, and a 0.40 M NaCl solution is on the other side of the membrane. Indicate which direction would water move. Explain why the movement occurs in that direction.A) Based on the drawings above, which molecules were able to diffuse through the 150 MWCO membrane? B) Which molecules(s) were not able to diffuse? Why not? C) Which side of the chamber had the greater osmolarity/osmotic pressure and how could you tell?Show the direction of water flow and mark the side with the greater osmotic pressure if you have a selectively permeable membrane that is permeable to water but not to a specific solute and if the two sides of the membrane have different solute concentrations.
- Explain how tonicity relates to the direction of water movement across a membrane.What are some other biological examples of solutes affecting water potential and therefore movement of water in a living organism? Find examples in both plant and animal.In the Nernst equation [V = 62 log10 (Co/ Ci)], the term Co represents: the intracellular concentration of potassium the intracellular concentration of chloride the membrane potential (in millivolts) the extracellular concentration of sodium the extracellular concentration of potassium
- Compare the osmotic concentration among most fluidcompartmentsIn the Nernst equation [V = 62 log10 (Co / Ci)], the term Co represents: cell bio the intracellular concentration of calcium the extracellular concentration of potassium the extracellular concentration of sodium the intracellular concentration of potassium the membrane potential (in millivolts)In what way can the net solute flux between two compartments seperated by a permeable be increased
- Given a selectively permeable membrane that is permeableto water but not to a particular solute and given that thereare different solute concentrations on the two sides of themembrane, show the direction of water movement and labelthe side with the higher osmotic pressure.In the Nernst equation [V = 62 log10 (Co/ Ci)], the term Co represents: the intracellular concentration of calcium the extracellular concentration of potassium the extracellular concentration of sodium the intracellular concentration of potassium the membrane potential (in millivolts)Which of the following is the most accurate definition of concentration gradient? A. Difference in the number of molecules that cross a cell membrane B. Different types of solute molecules found inside and outside a cell C. Different in the amount of a molecule inside and outside a cell D. Difference in the number of molecules on one side of a cell membrane