Table of Contents
- 1 When a cell is placed in an isotonic solution water molecules will move in?
- 2 What happens when a cell becomes isotonic?
- 3 What solution causes water to move out of a cell?
- 4 What is meant by isotonic solution?
- 5 In which kind of solution would water move from the solution into the cell?
- 6 Where does the diffusion of water molecules take place?
- 7 How is a protein based molecule speeds up a reaction?
When a cell is placed in an isotonic solution water molecules will move in?
If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell’s volume will remain stable. If the solute concentration outside the cell is the same as inside the cell, and the solutes cannot cross the membrane, then that solution is isotonic to the cell.
What is an isotonic solution and what happens to the movement of water molecules?
Isotonic Solution In this state there is no concentration gradient and therefore, no large movement of water in or out. Water molecules do freely move in and out of the cell, however, and the rate of movement is the same in both directions.
What happens when a cell becomes isotonic?
Isotonic solutions have the same water concentration on both sides of the cell membrane. Blood is isotonic. If you place an animal or a plant cell in a hypertonic solution, the cell shrinks, because it loses water ( water moves from a higher concentration inside the cell to a lower concentration outside ).
Is there water movement in an isotonic solution?
In an isotonic solution, no net movement of water will take place. A hypotonic tonic solution is any external solution that has a low solute concentration and high water concentration compared to body fluids. In hypotonic solutions, there is a net movement of water from the solution into the body.
What solution causes water to move out of a cell?
Osmosis causes water to move OUT OF the cell.
What happens to a cell in a isotonic solution quizlet?
What happens to cells placed in an isotonic solution? The movement of water into the cell is equal to the movement of water out of the cell.
What is meant by isotonic solution?
Isotonic solution: A solution that has the same salt concentration as cells and blood.
Why are isotonic solutions used as parenteral solutions?
Isotonic Solutions Because the concentration of the IV fluid is similar to the blood, the fluid stays in the intravascular space and osmosis does not cause fluid movement between compartments.
In which kind of solution would water move from the solution into the cell?
hypotonic solution
In a hypotonic solution, water rushes into cells.
Why do plants wilt in a hypotonic solution?
Plants wilt because their cell membranes are no longer pushing against their cell walls. What process have such plant cells undergone? If a cell is placed in a hypotonic solution, what will occur?
Where does the diffusion of water molecules take place?
The diffusion of water molecules across a partially permeable membrane, from an area of lower water potential. (Lower concentraion of water molecules) What is water potential?
What is the concentration of salt in a cell?
A cell with 0.2% concentration of salt is placed in an isotonic solution. What is the concentration of salt in that solution The concentration of salt in that solution must be 0.2%. A cell contains a 4% concentration of salt. The cell’s environment is isotonic.
How is a protein based molecule speeds up a reaction?
1. Speeds up a reaction 2. Protein based molecule a molecule binds to the enzyme that prevents the substrate from binding. 1. The Induced fit model described how the substrate is induced to undergo a slight alteration to achieve optimum fit with its enzyme 2.