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Questions and Answers
Which type of membrane transport requires the use of a specific carrier protein?
Which type of membrane transport requires the use of a specific carrier protein?
- Active transport
- Simple diffusion
- Facilitated diffusion (correct)
- Passive diffusion
What type of particles are transported by facilitated diffusion?
What type of particles are transported by facilitated diffusion?
- Large, polar and lipid-insoluble particles (correct)
- Nonpolar, lipid-soluble particles
- Water-soluble molecules
- Small, lipid-soluble particles
Which factor affects the availability of carrier proteins for facilitated diffusion?
Which factor affects the availability of carrier proteins for facilitated diffusion?
- Rapid combination and splitting
- Carrier saturation (correct)
- Concentration gradient
- Lipid bilayer composition
Which type of membrane transport requires the input of energy, such as ATP?
Which type of membrane transport requires the input of energy, such as ATP?
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What is the primary function of channel proteins?
What is the primary function of channel proteins?
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