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Questions and Answers
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?
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?
- Osmosis
- Simple diffusion (correct)
- Active transportation
- Facilitated diffusion
Which type of transport requires the use of energy to move molecules across the cell membrane?
Which type of transport requires the use of energy to move molecules across the cell membrane?
- Simple diffusion
- Active transportation (correct)
- Osmosis
- Facilitated diffusion
What is the term for the movement of water molecules from an area of high concentration to an area of low concentration?
What is the term for the movement of water molecules from an area of high concentration to an area of low concentration?
- Simple diffusion
- Facilitated diffusion
- Osmosis (correct)
- Active transportation
Which type of transport does not require the use of energy?
Which type of transport does not require the use of energy?
What is the term for the movement of molecules through a transport protein in the cell membrane, without the use of energy?
What is the term for the movement of molecules through a transport protein in the cell membrane, without the use of energy?
Flashcards
Simple diffusion
Simple diffusion
The movement of molecules from an area of high concentration to an area of low concentration without the use of energy.
Osmosis
Osmosis
The movement of water molecules from an area of high water concentration to an area of low water concentration across a semipermeable membrane.
Active transport
Active transport
The movement of molecules across a cell membrane against their concentration gradient, requiring energy.
Facilitated diffusion
Facilitated diffusion
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Passive transport
Passive transport
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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.
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