5 Questions
What is the term for the movement of molecules from an area of high concentration to an area of low concentration without the use of energy?
Simple diffusion
Which type of transport requires the use of energy to move molecules across the cell membrane?
Active transportation
What is the term for the movement of water molecules from an area of high concentration to an area of low concentration?
Osmosis
Which type of transport does not require the use of energy?
Simple diffusion
What is the term for the movement of molecules through a transport protein in the cell membrane, without the use of energy?
Facilitated diffusion
Study Notes
Cell Transport
- Diffusion: The movement of molecules from an area of high concentration to an area of low concentration without the use of energy.
- Active Transport: The type of transport that requires the use of energy to move molecules across the cell membrane.
- Osmosis: The movement of water molecules from an area of high concentration to an area of low concentration.
- Passive Transport: The type of transport that does not require the use of energy.
- Facilitated Diffusion: The movement of molecules through a transport protein in the cell membrane, without the use of energy.
Test your knowledge of cell transport mechanisms, including active and passive transport, diffusion, osmosis, and facilitated diffusion. Identify the types of transport that require energy and those that do not.
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