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Within a plant cell, starch is basically stored energy. Starch is composed to cross sugar molecules that are cross linked to form larger chains of sugar molecules that are better for storage. When the need arises, these larger chains are broken down to sugar molecules and are utilized by plant cells to carry out various biological processes.
Starch is a large polymeric structure and does not typically pass through cell membranes.
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What the diffusion of water across a cell's membrane?
The diffusion of water through a cell membrane is called osmosis.
Osmosis is the diffusion of what subtance through a cell membrane?
Water.
Where in the membrane does facilitated diffusion occur?
Diffusion will most likely to occur where there is a high concentration of gas or water then the particles distibute evenly to the area of low concentration. for example if you could smell a turkey cooking in the oven from upstairs without anyone telling you.
How are diffusion and facilitated diffusion diffrent?
Diffusion directly passes through the cell membrane unaffected by the hydrophobic part of the membrane. Facilitated diffusion uses proteins to assist in the movement of molecules. Ions have trouble moving through the hydrophobic part of the membrane.
What is the process of dissolved food passing through a cell membrane?
Diffusion
How are diffusion and facilitated diffusion similar?
Substances enter a cell through the cell membrane
What is faciillitated diffusion?
Facilitated diffusion is diffusion that occurs not through the cell membrane directly but through protein channels within the cell membrane. They are often, although not always, substrate specific.
What the diffusion of water across a cell's membrane?
The diffusion of water through a cell membrane is called osmosis.
What types of transport mechanisms through the cell membrane are passive?
diffusion, facilitated diffusion, and osmosis
How does sodium ion molecule move into the cell through cell membrane?
Through diffusion.
Function of the cell membrane of a cell?
The transport of molecules into and out of the cell through osmosis and diffusion
What is the thin cell covering through which diffusion takes place?
cell membrane
Osmosis is the diffusion of what substance through a cell membrane?
Water
Osmosis is the diffusion of what subtance through a cell membrane?
Water.
Where does diffusion takes place?
In a cell in the human body diffusion takes place in the cell membrane. The cell membrane allows smaller sized molecules to pass through.
Where in the membrane does facilitated diffusion occur?
Diffusion will most likely to occur where there is a high concentration of gas or water then the particles distibute evenly to the area of low concentration. for example if you could smell a turkey cooking in the oven from upstairs without anyone telling you.
How are diffusion and facilitated diffusion diffrent?
Diffusion directly passes through the cell membrane unaffected by the hydrophobic part of the membrane. Facilitated diffusion uses proteins to assist in the movement of molecules. Ions have trouble moving through the hydrophobic part of the membrane.
