6. The Membrane

In an experiment involving a selectively permeable membrane and solutions of starch and iodine, did starch diffuse through the membrane?

If a cell is placed in salt water, water leaves the cell by which process?

Which process moves water molecules across the cell membrane down their concentration gradient?

Which of the following diagrams best represents the process of osmosis across a selectively permeable membrane?

Which type of passive transport specifically involves the movement of water molecules across a selectively permeable membrane?

Turgor pressure is created by the force of the cell pushing against what?

Which of the following best describes the main difference between diffusion and osmosis?

Which of the following best describes osmosis, and what type of membrane transport does it represent?

If a selectively permeable tube containing starch solution is placed in a beaker of iodine solution, and the tube is permeable to iodine but not to starch, what will most likely happen after some time?

Which of the following best explains the net movement of free water molecules during osmosis across a selectively permeable membrane?

When testing osmosis using a thistle tube filled with a sucrose solution and placed in pure water, what observation would indicate that osmosis is occurring?

Which of the following experimental procedures would best test whether osmosis has occurred in a biological sample?

Which of the following is needed for water to be absorbed by the roots through osmosis?

Which of the following best describes the main difference between osmosis and diffusion?

What will happen to a celery stick that is placed in a glass of pure water?