9. Transport Across Membranes

In many freshwater protists, which organelle helps prevent the cell from swelling and bursting by collecting and pumping excess water out of the cell?

In the context of passive transport, what process allows water to move across a selectively permeable cell membrane?

In passive transport, diffusion causes molecules to move in which direction?

Which of the following is an example of passive transport across a cell membrane?

In the context of passive transport across cell membranes, what is the key difference between simple diffusion and facilitated diffusion?

Which of the following statements about osmosis is false?

In passive transport, how does increasing temperature generally affect the rate of diffusion of small molecules across a membrane or through a fluid?

Which statement best describes a passive transport process across a cell membrane?

In passive transport, what primarily determines the direction of diffusion of a solute across a membrane that is permeable to that solute?

Which of the following pairs correctly lists two major types of passive transport across cell membranes?

In the context of diffusion and osmosis, what does passive transport mean?

In the context of passive transport across the plasma membrane, how do simple diffusion and facilitated diffusion differ?

Which of the following is a passive transport process that moves molecules down their concentration gradient without requiring cellular energy (ATP)?

In the context of passive transport, does facilitated diffusion require an input of cellular energy (ATP) to move solutes across a membrane?

Which statement best describes diffusion in the context of passive transport across biological systems?