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Gas exchange for photosynthesis - CO2 from the air diffuses into the leaf, and 02 diffuses out of the leaf into the air
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∙ 13y ago
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How is diffusion important to cell processes such as photosynthesis?
Diffusion is the process by which small particles move from a place of high concentration to a place of lower concentration. By diffusion, small molecules like salts can go inside a cell from the outside. To keep itself alive, a Cell needs to take in many things from its outside. In Photosynthesis, gaseous Carbon Dioxide (CO2) enters the plant cell by diffusion. CO2 is very important in building food and making energy for the plants.
What causes a cell to become plasmolyzed?
Higher solute concentration outside the cell than that inside causes net loss of water and plasmolysis occurs. This is due to the diffusion of water to areas of higher solute concentration.
What role did diffusion play in the changes you observed?
Before diffusion there is a higher concentration of oxygen molecules outside the cell than inside the cell. After diffusion the concentration of oxygen molecules is the same outside and inside the cell.
What happens when plant is put into water?
If a plant cell is placed in fresh water, there will be a net movement of water into the cell - because the solute concentration inside the cell is greater than outside. This occurs because the system is attempting to reach equilibrium (where the concentrations inside and outside are equal). Unlike an animal cell, a plant cell will not burst when excess water enters the cell. This is because the cell wall helps the plant cell maintain its structure.
Where are photosynthetic pigments found in green plants?
In the thylakoids in the grana which are located inside the chloroplasts in a plant cell inside of a plant, and some fungi.
Where diffusion occur?
Diffusion occurs on the cell membrane.
What occurs in Facilitated diffusion?
movement. In a cell.
What is the organelle found in plant cells in which cellular respiration occurs?
The plant cell absorbs particles through diffusion, as in the selectively permeable cell membrane allows oxygen or water or something to enter the cell. Hope this helps :)
Where does photosynthesis occurs in plant cell?
photosynthesis occurs in chloroplast in the plant cell.
When does diffusion occur across a cell membrane?
Diffusion across a cell membrane occurs when concentrations of a substance are higher either inside or outside the cell.
Does cell membrane regulates diffusion in both plant and animal cells?
regulates diffusion
How do substances get into a plant or animal cell?
Osmosis and diffusion
Where in animals does diffusion take place?
Diffusion happens in every plant and animal cell. It occurs through the membrane of each and every cell in the organism.
Diffusion of a solute into a cell occurs when the solute is?
I believe the answer is when it is uncharged.
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 kind of diffution takes place when plant cell absorbs water?
The plant cell absorbs water by simple diffusion and osmosis.
Does faciliated diffusion require energy?
Yes, faciliated diffusion is when a cell uses energy to maintain homeostasis, but regular diffusion is when homeostasis occurs without using energy.
