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Diffusion- This is the movement of substances from an area of high concentration to low concentration. Diffusion can be sped up by heat and by increasing the concentration of the diffusing substances. Osmosis-This is the movement of water down a concentration gradient across a semi-permeable membrane. Water crosses the membrane down its concentration gradient, from the side with the lower solute solution to the side with the higher solute solution. This is therefore making the lower solute solution more concentrated, while also diluting the higher solute concentration solution. Osmosis will carry on until equilibriium is reached which is said to be isotonic, when both sides have reached their equal concentrations. Emms B x
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How do substances like co2 and water move in and out of the cell?
By the process of diffusion and osmosis.
Three ways that substances can move into and out of a cell?
One way is diffusion, another is osmosis and Active transport.
What do diffusion and osmosis share?
the distribution of substances
Explain how osmosis differs from diffusion?
Osmosis differs from Diffusion because in osmosis only water moves, and during diffusion, small molecules move across the cell membrane.
Does gas exchange occurs by osmosis?
No. Osmosis refers to the movement of water only. Gases move by diffusion.
What are Passive processes that move substances across membranes?
Diffusion ,osmosis
What passive process that move substances across membranes?
Diffusion ,osmosis
How do substances like co2 and move in and out of the cell?
By the process of diffusion and osmosis.
How do substances like co2 and water move in and out of the cell?
By the process of diffusion and osmosis.
Which of the following processes cause substances to move across membranes and doesent require energy ATP?
diffusion or osmosis (diffusion of water)
Three ways that substances can move into and out of a cell?
One way is diffusion, another is osmosis and Active transport.
What do diffusion and osmosis share?
the distribution of substances
Substances tend to move according to their concentration gradients by the process of?
Process of diffusion. Called osmosis for the process with water.
What 3 ways can substances enter and leave a cell?
Substances can move in and out of a cell in several ways. Diffusion is when a substance will distribute itself in or out of a cell until the distribution on both sides of the cell is balanced. Active transport is when a cell transports a substance across the cell membrane that would not normally be able to pass through. Osmosis is the movement of water from areas with few dissolved dissolved substances to areas with high dissolved substances.
How do substances get into a plant or animal cell?
Osmosis and diffusion
Three types of passive transport?
There are three forms of passive transport, or the movement of biochemical and other atomic or molecular substances across the cell membranes. They are: osmosis, simple diffusion or facilitated diffusion, and filtration.
How does osmosis and diffusion limit the size of a cell?
diffusion and osmosis limit the size of a cell by how fast is can move
