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Questions and Answers
Which type of molecules can cross cell membranes through passive diffusion?
Which type of molecules can cross cell membranes through passive diffusion?
- Large molecules
- Water-soluble molecules
- Charged molecules
- Lipid-soluble molecules (correct)
What is the role of aquaporins in membrane transport?
What is the role of aquaporins in membrane transport?
- They form aqueous pores in the lipid bilayer (correct)
- They require energy for transport
- They facilitate facilitated diffusion
- They bind to drug molecules
What is required for aqueous diffusion to occur through a channel?
What is required for aqueous diffusion to occur through a channel?
- A concentration gradient (correct)
- Hydration shell
- A lipid bilayer
- Energy
Which type of molecules cannot cross the lipid bilayer through aqueous diffusion?
Which type of molecules cannot cross the lipid bilayer through aqueous diffusion?
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What is the role of specialized carrier proteins in facilitated diffusion?
What is the role of specialized carrier proteins in facilitated diffusion?
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Which of the following is a way in which small molecules can cross cell membranes?
Which of the following is a way in which small molecules can cross cell membranes?
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Which type of molecules can cross cell membranes through passive diffusion?
Which type of molecules can cross cell membranes through passive diffusion?
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What is the role of hydration shell in membrane transport?
What is the role of hydration shell in membrane transport?
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Which of the following is required for facilitated diffusion to occur?
Which of the following is required for facilitated diffusion to occur?
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What is the role of aquaporins in membrane transport?
What is the role of aquaporins in membrane transport?
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