A SimCell with a waterpermeable membrane that contains 20 he
A SimCell with a water-permeable membrane that contains 20 hemoglobin molecules and 480 water molecules is placed in an extracellular fluid that contains 40 dextrose molecules and 960 water molecules. Which of the following should happen? More water molecules will flow from the SimCell into the extracellular fluid than from the extracellular fluid into the SimCell. More water molecules will flow from the extracellular fluid into the SimCell than from the SimCell into the extracellular fluid. There will be no movement of water molecules across the membrane. Water molecules will move back and forth equally across the membrane. A SimCell with a water-permeable membrane that contains 50 dextrose molecules, 25 glucose molecules, 25 hemoglobin molecules and 900 water molecules is placed in an extracellular fluid that is one part solute to 15 parts water (its solute-to-solvent ratio is 1:15). Which of the following should happen? More water molecules will flow from the SimCell into the extracellular fluid than from the extracellular fluid into the SimCell. More water molecules will flow from the extracellular fluid into the SimCell than from the SimCell into the extracellular fluid. There will be no movement of water molecules across the membrane. Water molecules will move back and forth equally across the membrane.
Solution
Ans 7)- Option 1 is correct :- there will be more movement of the water molecules across the membrane from the sim cell since the concentration of the solutes in 1st case is less
Ans8 )-The sim cell has a higher solute: solvent ratio than the extracellular fluid (1:9) so the option 2 that is More water molecules will flow from the extracellular fluid into the Sim cell than from the Sim cell into extracellular fluid. is correct
