Podcast
Questions and Answers
What is the movement of water from an area of high concentration to an area of low concentration called?
What is the movement of water from an area of high concentration to an area of low concentration called?
Osmosis
What are the three main types of transport proteins?
What are the three main types of transport proteins?
Channel proteins, Carrier proteins, and Receptor proteins
What is the type of active transport that moves materials out of the cell called?
What is the type of active transport that moves materials out of the cell called?
Exocytosis
Which type of endocytosis is most common?
Which type of endocytosis is most common?
What is the process called when a cell engulfs large particles such as food, bacteria, etc. into vesicles?
What is the process called when a cell engulfs large particles such as food, bacteria, etc. into vesicles?
Which of the following is NOT a type of passive transport?
Which of the following is NOT a type of passive transport?
Active transport moves materials from an area of low concentration to an area of high concentration.
Active transport moves materials from an area of low concentration to an area of high concentration.
Channel proteins can change shape to move materials from one side of the membrane to the other.
Channel proteins can change shape to move materials from one side of the membrane to the other.
What is the function of the Sodium-Potassium Pump?
What is the function of the Sodium-Potassium Pump?
In an isotonic solution:
In an isotonic solution:
What happens to a cell in a hypertonic solution?
What happens to a cell in a hypertonic solution?
The movement of materials into the cell by vesicles is called ______.
The movement of materials into the cell by vesicles is called ______.
Which of the following is a type of endocytosis?
Which of the following is a type of endocytosis?
Pinocytosis is a type of endocytosis that involves the engulfment of large particles.
Pinocytosis is a type of endocytosis that involves the engulfment of large particles.
Flashcards
Simple Diffusion
Simple Diffusion
Movement of molecules from high to low concentration without energy.
Facilitated Diffusion
Facilitated Diffusion
Movement of molecules across the membrane using transport proteins.
Active Transport
Active Transport
Movement of molecules from low to high concentration requiring energy (ATP).
Sodium-Potassium Pump
Sodium-Potassium Pump
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Exocytosis
Exocytosis
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Endocytosis
Endocytosis
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Phagocytosis
Phagocytosis
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Pinocytosis
Pinocytosis
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Receptor-mediated endocytosis
Receptor-mediated endocytosis
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Hypertonic Solution
Hypertonic Solution
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Hypotonic Solution
Hypotonic Solution
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Isotonic Solution
Isotonic Solution
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Plasmolysis
Plasmolysis
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Cytolysis
Cytolysis
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Osmosis
Osmosis
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Concentration Gradient
Concentration Gradient
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Transport Proteins
Transport Proteins
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ATP
ATP
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Vesicles
Vesicles
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Cell Membrane
Cell Membrane
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Integral Proteins
Integral Proteins
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Solute
Solute
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Study Notes
Hypertonic Solutions
- A solution where the solute concentration is higher than the solute concentration inside a cell.
Isotonic Solutions
- A cell at equilibrium.
Hypotonic Solutions
- Water moves inside the cell.
Osmosis
- The movement of water across a semipermeable membrane from an area of high water concentration to an area of low water concentration.
Cytolysis
- The destruction of a cell. Cells swell and burst.
Plasmolysis
- The shrinking of a cell. Cells shrink and shrivel.
Simple Diffusion
- Movement of molecules from an area of high concentration to an area of low concentration. No energy required.
Facilitated Diffusion
- Uses transport proteins to move molecules from high to low concentration. No energy required.
Channel Proteins
- Embedded in the cell membrane with a pore for molecules to pass through.
Carrier Proteins
- Change shape to transport molecules across the membrane. Some extend through the membrane, while others don't.
Active Transport
- Requires energy (ATP) to move molecules from an area of low concentration to an area of high concentration against the concentration gradient.
Exocytosis
- Moves materials OUT of the cell via vesicles that fuse with the plasma membrane.
Endocytosis
- Moves molecules INTO the cell by vesicles formed by the cell membrane. Has three types:
- Phagocytosis (cell eating) - Engulfs large particles like food, bacteria.
- Pinocytosis (cell drinking) - Takes in dissolved molecules.
- Receptor-mediated endocytosis - Receptors on the cell membrane recognize specific molecules and take them in.
Cell Eating (Phagocytosis)
- Cells engulf large particles, such as food or bacteria, into vesicles.
Receptor-Mediated Endocytosis
- Some integral proteins have receptors on the surface to recognize and take in hormones, cholesterol, etc.
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Description
This quiz covers key concepts related to osmosis and various types of solutions including hypertonic, isotonic, and hypotonic solutions. Understand the processes of diffusion, facilitated diffusion, and the roles of channel and carrier proteins in cellular transport. Test your knowledge on cell behavior in different solution environments.
