9. Transport Across Membranes

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?

In the context of passive transport, what is the primary mechanism by which water enters and exits a cell across the plasma membrane?

In the context of passive transport and osmosis, what is crenation of a cell?

In passive transport, what typically happens to an animal cell placed in a hypotonic solution relative to its cytoplasm?

During osmosis, water moves primarily in response to a difference in which of the following across a selectively permeable membrane?