Question
Which of the following membrane transport process/es do not require a protein channel of a carrier protein?
Osmosis
Diffusion
Phagocytosis
All of the choices
Osmosis
Diffusion
Phagocytosis
All of the choices
Answers
GPT-4o mini
Among the options provided, **Osmosis** and **Diffusion** do not require a protein channel or carrier protein.
- **Osmosis** is the movement of water across a selectively permeable membrane, which can occur directly through the lipid bilayer or via specialized water channels called aquaporins, but the movement of water itself does not necessarily require a protein transport mechanism.
- **Diffusion** is the process by which solutes move from an area of higher concentration to an area of lower concentration and can occur directly through the lipid bilayer if the solute is small and nonpolar (e.g., oxygen, carbon dioxide).
**Phagocytosis** is an active transport process that requires protein involvement, specifically in the formation of vesicles to engulf large particles.
Therefore, **"All of the choices"** is not correct as phagocytosis does require proteins. The correct answer is **Osmosis and Diffusion** do not require a protein channel or carrier protein, but since those are not options for selection, the most fitting choice is simply to identify that **both osmosis and diffusion fit the criteria given.**
- **Osmosis** is the movement of water across a selectively permeable membrane, which can occur directly through the lipid bilayer or via specialized water channels called aquaporins, but the movement of water itself does not necessarily require a protein transport mechanism.
- **Diffusion** is the process by which solutes move from an area of higher concentration to an area of lower concentration and can occur directly through the lipid bilayer if the solute is small and nonpolar (e.g., oxygen, carbon dioxide).
**Phagocytosis** is an active transport process that requires protein involvement, specifically in the formation of vesicles to engulf large particles.
Therefore, **"All of the choices"** is not correct as phagocytosis does require proteins. The correct answer is **Osmosis and Diffusion** do not require a protein channel or carrier protein, but since those are not options for selection, the most fitting choice is simply to identify that **both osmosis and diffusion fit the criteria given.**