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What is drying shrinkage in concrete?
Loss of water held in gel spores that causes the change in volume.It is a function of the fineness and gel.Cement paste shrinks more than cement mortar and cement mortar shrinks more than concrete.
What is the shrinking of a cell due to loss of water?
The shrinking of a cell due to loss of water is called plasmolysis. This occurs when water leaves the cell due to a hypertonic environment outside the cell, causing the cell membrane to detach from the cell wall and the cell to shrink.
Does the inside of a cells change its shape due to water loss?
Yes they do because they lose all there weight
To control water loss the size of the stomata is reduced by the?
Guard Cells
Does the sponge layer of a leaf control the amount of water loss?
yes
What are the effects of the uptake and loss of water in animal cells?
In pure water, or a weak salt solution; water moves into the cell. The cell wall then swells and bursts. This is due to the cell taking in too much water, so much so that it bursts. This is known as Lysis. In a medium salt or sugar solution there is no net movement of water. This is because the amount of water going into and out of the cell is equal. In a strong salt or sugar solution the water moves out of the cell. This mean the cell shrinks and shrivels and it has lost too much water so has shrivelled. This is known as crenation.
What happens to the cell when more water leaves the cell than enters it?
When a cell is placed in water , there is a possibilty of 2 processes to occur : 1. Exosmosis - IF the water has more osmotic concentration than the cytoplasm hypertonic medium ) 2. Endosmosis - If the water has less osmotic concentration than the cytoplasm (hypotonic medium )
Which do guard cells control?
Guard cells control the opening and closing of stomata, tiny pores on the surface of leaves that regulate gas exchange (such as oxygen and carbon dioxide) and water loss in plants. When the guard cells take in water, they swell and the stomata open; when they lose water, they shrink and the stomata close.
What action may cause the loss of steering ability in a personal water craft?
letting off the throttle control
What Loss of control is one symptom is called a alcoholism?
So-called "loss of control" is actually a myth.
Why amoeba in a hypotonic solution shrinks?
Amoebas have a higher concentration of solutes inside their cells compared to the hypotonic solution outside. Water moves from the hypotonic solution into the amoeba's cell through osmosis, causing the cell to swell and potentially burst. To prevent this, the amoeba expels water and shrinks in size in order to maintain internal balance.
Does an egg in syrup shrinks?
Yes, an egg will shrink in syrup because the syrup has a higher concentration of sugar than the egg, creating a higher osmotic pressure in the syrup causing water to move out of the egg into the syrup. This loss of water from the egg will cause it to shrink.
