Problem: Will the starch, glucose, and the chloride ion molecules pass through the artificial membrane? Why or why not?
Hypothesis:
Tiny molecules have an easier time passing through the plasma membrane than larger molecules. Molecules that are greater than fifty atoms do not pass through the artificial membrane. This is due to its composition consists of thousands of atoms. Glucose is able to diffuse through membranes as its genetic makeup contains twenty-four atoms. Chloride Ions are also able to penetrate the membrane as it only contains a single atom.
Prediction:
If the tube tests positive for starch, glucose, or chloride ion we should see some form of diffusion through the artificial tube that represents the membrane. Once thirty minutes have passed and the water is tested for the molecules concentrated in the tube, we would find that the water has tested positive for both glucose and chloride ion, but not starch. The reason for this result would be that starch is greater than fifty atoms and would not be able to pass through the membrane. Glucose and chloride ions consist of less than fifty atoms and can pass through at will.
Procedure:
Pages 69-70. No changes were made. …show more content…
For that reason, we see diffusion occur as the glucose molecules and the chloride ion molecules diffused through the tubing and into the beaker of distilled water. This represented the membrane. Towards the end of the experiment, we tested the water outside the tubbing and within the beaker. We then confirmed the change in the waters concentration of molecules. Since the only way the molecules could diffuse was to consist of less than fifty atoms, this is experiment correctly displayed that chloride and glucose ions are able to pass through the membrane. This key factor also explains why starch stayed concentrated within the tube at the end of the experiment, since starch is thousands of molecules large and was not able to properly
Hypothesis:
Tiny molecules have an easier time passing through the plasma membrane than larger molecules. Molecules that are greater than fifty atoms do not pass through the artificial membrane. This is due to its composition consists of thousands of atoms. Glucose is able to diffuse through membranes as its genetic makeup contains twenty-four atoms. Chloride Ions are also able to penetrate the membrane as it only contains a single atom.
Prediction:
If the tube tests positive for starch, glucose, or chloride ion we should see some form of diffusion through the artificial tube that represents the membrane. Once thirty minutes have passed and the water is tested for the molecules concentrated in the tube, we would find that the water has tested positive for both glucose and chloride ion, but not starch. The reason for this result would be that starch is greater than fifty atoms and would not be able to pass through the membrane. Glucose and chloride ions consist of less than fifty atoms and can pass through at will.
Procedure:
Pages 69-70. No changes were made. …show more content…
For that reason, we see diffusion occur as the glucose molecules and the chloride ion molecules diffused through the tubing and into the beaker of distilled water. This represented the membrane. Towards the end of the experiment, we tested the water outside the tubbing and within the beaker. We then confirmed the change in the waters concentration of molecules. Since the only way the molecules could diffuse was to consist of less than fifty atoms, this is experiment correctly displayed that chloride and glucose ions are able to pass through the membrane. This key factor also explains why starch stayed concentrated within the tube at the end of the experiment, since starch is thousands of molecules large and was not able to properly