Exploring Diffusion and Osmosis in AP Biology

What is the purpose of leaving some room in the dialysis tubing when filling it with sodium chloride?

• To allow air to circulate

• To prevent the tubing from bursting

• To make it easier to weigh

• To allow water to be absorbed

What was the initial weight of the dialysis tubing filled with glucose solution?

• 12.227 grams

• 14.220 grams

• 15.583 grams

• 11.959 grams

What was the initial weight of the dialysis tubing filled with albumin powder?

• 14.258 grams

• 15.583 grams

• 14.220 grams

• 11.959 grams

Which solution had the highest final weight after 30 minutes?

• Albumin

• Sucrose

• Glucose

• Sodium chloride

What was the final weight of the control dialysis tubing filled with water?

• 11.753 grams

• 18.082 grams

• 22.652 grams

• 13.904 grams

What was the initial weight of the potato cores placed in the clear solution?

• 4.871 grams

• 4.897 grams

• 5.030 grams

• 5.035 grams

Which potato core solution had the final weight of 5.443 grams?

• Green solution

• Purple solution

• Red solution

• Clear solution

Which solution caused the potato cores to become more rigid and less squishy?

• Purple solution

• Yellow solution

• Clear solution

• Red solution

What was the final weight of the potato cores in the red solution?

• 4.312 grams

• 3.196 grams

• 3.555 grams

• 3.786 grams

What is the ultimate goal of the experiment with the potato cores?

• To observe the color change in the solutions

• To determine the molarity of the sucrose solutions

• To measure the initial weight of the potatoes

• To compare the weights of different solutions