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Questions and Answers
What defines the process of osmosis?
What defines the process of osmosis?
- Diffusion of water through impermeable membranes.
- Movement of solutes from higher to lower concentration.
- Movement of molecules from lower to higher concentration.
- Diffusion of water from higher concentration to lower concentration across a semi-permeable membrane. (correct)
Which factor influences the direction of water movement during osmosis?
Which factor influences the direction of water movement during osmosis?
- Temperature differences across the membrane.
- Relative concentrations of water and solutes. (correct)
- Electrical charges of the solutes.
- Size of the molecules involved.
What consequence can occur if there is an imbalance of solutes inside and outside of cells?
What consequence can occur if there is an imbalance of solutes inside and outside of cells?
- Enhanced nutrient absorption.
- Impaired water movement and cell function. (correct)
- Increased growth rate of the cells.
- Improved waste elimination.
What type of membrane is crucial for the process of osmosis?
What type of membrane is crucial for the process of osmosis?
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During osmosis, what happens to water molecules as they move across the membrane?
During osmosis, what happens to water molecules as they move across the membrane?
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Study Notes
Osmosis
- Water moves through semi-permeable membranes in the body by a process called osmosis.
- Osmosis is the diffusion of water from areas of high concentration to areas of low concentration.
- This movement occurs along an osmotic gradient, across a semi-permeable membrane.
- Water moves into and out of cells and tissues depending on the concentration of water and solutes.
- Maintaining a balance of solutes inside and outside cells is crucial for normal cellular function.
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