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How do you explain what happen to the cells in a lettuce leaf when the dressing is added?
Wiki User
∙ 14y ago
The cell wall is a semi-permeable membrane, allowing solvent (water) to pass
through but not solute (salts). When salad dressing is placed in contact
with the cells, osmosis occurs. If the salad dressing, in comparison to the
contents of the cell, is more concentrated, then water will leave the cell
(causing the leafy salad to appear wilted). If the salad dressing, in
comparison to the contents of the cell, is less concentrated, then water
from the dressing will enter the cell - perhaps causing cell rupture. I
doubt the second case truly happens, but you get the idea of what happens
under osmosis conditions.
Wiki User
∙ 14y ago
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How do you make wilted lettuce?
If the lettuce is still attached to the core, trim the core to reveal a fresh stem and then place the lettuce (core down) in a bowl of water with a sprinkle of sea salt added to the water. The lettuce will absorb the sea salt through the stem an be revived in a few hours. This works wonders in hot climate that cause lettuce to wilt quickly after harvest.
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which two things can happen when heat is added to a liquid?
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How do you write an apology letter to a judge about missing a court date?
In the apology letter to the judge, start by acknowledging the missed court date and take full responsibility for the mistake. Be sincere and express regret for any inconvenience caused. Provide a valid reason for missing the court date, along with any supporting evidence, and request for another opportunity to appear in court and make things right.
Where do you think the fat in the salad is from?
Moat fat in salads is from the salad dressing or added ingredients, like cheese, that is put into the salad.
What can happen when heat is added to a liquid?
sex
