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What is the activity of an organism dependent on according to modern cell theory?
Cells being formed from pure water
Is pure water hypertonic to red blood cells?
Yes, pure water is hypotonic to red blood cells, meaning that it has a lower concentration of solutes compared to the inside of the cells. When placed in a hypotonic solution, red blood cells may take in water and potentially burst due to the influx of water.
How will the cells in an onion membrane respond to pure water?
The cells in an onion membrane will absorb the pure water through the process of osmosis. This will cause the cells to swell and become turgid as water enters them. Ultimately, the onion membrane may appear plump and rigid due to the increased water uptake.
Why is saline water preferable but not pure water?
This is to do with the process of osmosis. Osmosis is the movement of water from a region of high concentration to an area of low water concentration. If someone is dehydrated, their cells won't have much water in their cytoplasm, so giving them pure water would cause their cells to take up so much water that they would rupture. Small amounts of salt are added to reduce this damaging effect. ---------------------- read about hypernatremia.
What cells are formed to the inside and the outside of the vascular cambium?
To the inside of the vascular cambium, xylem cells are formed. These cells are responsible for transporting water and minerals throughout the plant. To the outside of the vascular cambium, phloem cells are formed. These cells transport nutrients and sugars produced through photosynthesis.
What is the activity of an organism dependent on according to modern cell theory?
Cells being formed from pure water
Can cells form from pure water?
No.
Is pure water hypertonic to red blood cells?
Yes, pure water is hypotonic to red blood cells, meaning that it has a lower concentration of solutes compared to the inside of the cells. When placed in a hypotonic solution, red blood cells may take in water and potentially burst due to the influx of water.
What cells that are placed in a hypertonic solution of pure water tend to?
Cells placed in a hypertonic solution of pure water will tend to lose water and shrink due to the higher concentration of solutes outside the cell causing water to move out of the cell by osmosis. This can lead to dehydration and potential cell damage.
Is a liquid added to water a pure substance or a mixture?
A mixture is formed.
Is mucus a pure substance?
No, mucus is not a pure substance. It is a complex mixture of water, proteins, lipids, salts, and cells like epithelial cells and white blood cells.
What did Antoine Lavoisier theorize about pure water?
Lavoisier supposed that water is formed from hydrogen and oxygen.
Is water made up cells?
Pure water contains no cells whatsoever. Water is composed of molecules.
What happens to the plant cells when pure water is added?
Because there is more salt in the plant cells, when they are placed in pure water (with no salt), water will move into the cells in an effort to balance the concentration inside the cell and out the cell. The plant cells will become enlarged with water and may burst. This is a way to make wilted celery to become like it did when it was bought.
How will the cells in an onion membrane respond to pure water?
The cells in an onion membrane will absorb the pure water through the process of osmosis. This will cause the cells to swell and become turgid as water enters them. Ultimately, the onion membrane may appear plump and rigid due to the increased water uptake.
Which process explains what happens to a limp celery when it is put in pure water?
When limp celery is placed in pure water, it undergoes a process called osmosis. Water moves from an area of higher concentration (the pure water) to an area of lower concentration (the cells of the celery, which have a higher solute concentration). This movement of water into the celery cells causes them to swell, restoring the celery's crispness and firmness. As a result, the celery becomes turgid as the cells fill with water.
Why is saline water preferable but not pure water?
This is to do with the process of osmosis. Osmosis is the movement of water from a region of high concentration to an area of low water concentration. If someone is dehydrated, their cells won't have much water in their cytoplasm, so giving them pure water would cause their cells to take up so much water that they would rupture. Small amounts of salt are added to reduce this damaging effect. ---------------------- read about hypernatremia.
