An artificial cell model is constructed using a selectively permeable Visking (dialysis) membrane bag filled with a solution containing bovine serum albumin (BSA) protein and sodium chloride (NaCl\text{NaCl}NaCl), suspended in a beaker of distilled water.
After 40 minutes, samples of the water in the surrounding beaker are tested as shown in the diagram.
What do these results indicate about the relative sizes of the BSA molecules and the hydrated sodium/chloride ions?
Both BSA molecules and hydrated sodium/chloride ions are smaller than the pores in the membrane.
Both BSA molecules and hydrated sodium/chloride ions are larger than the pores in the membrane.
BSA molecules are smaller than the pores in the membrane, but hydrated sodium/chloride ions are larger.
BSA molecules are larger than the pores in the membrane, but hydrated sodium/chloride ions are smaller.