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What will happen if onion peel is kept in strong sugar solution?
The onion peel will shrink and dehydrate due to osmosis. The strong sugar solution will draw the water out of the onion cells, causing them to lose water and shrink in size.
What will happen if you put onion skin cell into 10 percent sugar solution?
If you place an onion skin cell into a 10 percent sugar solution, water will flow out of the cell via osmosis due to the higher concentration of sugar outside the cell. This will cause the cell to shrink and undergo plasmolysis as it loses water and shrivels up.
What happen to onion cell epidermis if placed in hypertonic solution?
If an onion cell epidermis is placed in a hypertonic solution, water will move out of the cell due to osmosis, causing the cell to shrink and the cell membrane to pull away from the cell wall. This process is known as plasmolysis.
What happens to purple onion skin cells when tap water is added?
When tap water is added to purple onion skin cells, the cells will undergo osmosis. Water will move into the cells, causing them to swell and potentially burst if too much water is absorbed. The purple color of onion cells may also diffuse into the surrounding water.
When preparing a wet mount of onion cells a student put a drop of Lugol's iodine solution on the slide Lugol's iodinesolution was applies in order to?
The Lugol's iodine solution was applied in order to stain the onion cells and enhance contrast for better visualization under the microscope. This solution reacts with starch present in the cells, turning it blue-black, making it easier to observe the cellular structures and details.
What is the colour change when onion solution is added to acids and bases?
When onion solution, which contains anthocyanins, is added to acids, it typically turns a reddish color due to the lower pH. In contrast, when mixed with bases, the solution changes to a greenish-yellow hue as the pH increases. This color change is a result of the pH-sensitive nature of the anthocyanins present in the onion.
What will happen if onion peel is kept in strong sugar solution?
The onion peel will shrink and dehydrate due to osmosis. The strong sugar solution will draw the water out of the onion cells, causing them to lose water and shrink in size.
What would happen to an onion cell in distilled water?
When salt is added to onion cell, the cytoplasm shrink due to plasmolysis. When water is added to onion cell, the cytoplasm expands back to its initial shape due to deplasmolysis.
What would happen if you added three drops of iodine to an onion?
I did this experiment and after a while the onion cell became incredibly easier to see.
What would happen if an onion is placed in water?
Nothing. The onion will get wet.
What will happen if you put onion skin cell into 10 percent sugar solution?
If you place an onion skin cell into a 10 percent sugar solution, water will flow out of the cell via osmosis due to the higher concentration of sugar outside the cell. This will cause the cell to shrink and undergo plasmolysis as it loses water and shrivels up.
What would most likely happen to a onion cell of it were placed in a liquid with a concentration of solutes?
In a hypotonic environment, an onion cell will fill up with water. Hypotonic refers to a solution that has lower osmotic pressure than the solution you're comparing it to.
What is the purpose of adding iodine solution to the onion cell?
The purpose of adding iodine solution to the onion cell is to stain the cell's starch granules. Starch granules will appear blue-black when iodine solution is added, allowing for easy visualization of the presence of starch in the cell.
What happen to onion cell epidermis if placed in hypertonic solution?
If an onion cell epidermis is placed in a hypertonic solution, water will move out of the cell due to osmosis, causing the cell to shrink and the cell membrane to pull away from the cell wall. This process is known as plasmolysis.
What does an onion cell look like after adding a salt solution NaCl?
This depends on the nature of the NaCl solution...If it is a Hyper-tonic solution (More concentrated solution than onion cells), water will move by osmosis down it's concentration gradient, from a region of less negative water potential (high Ψ) in the onion cell, to a region of more negative water potential (low Ψ) in the solution through a selectively/partially permeable membrane;so the onion cell will be plasmolysed and will look "flaccid" (vacuole gets smaller and shrinks).The vice versa happens with a Hypo-tonic (less concentrated solution than onion cell) NaCl solution;The onion cell will then look "turgid" (has a large vacuole exerting a pressure on the cytoplasm and pushing it towards the cell's cellwall to make it "tensed".
What happen to onion when heated?
It loses its water content and becomes brown.
What would most likely happen to an onion cell if it were placed in a liquid with a high concentration of solutes?
As the "salt solution" is a hypertonic solution which has the concentration of the solute outside of the cell is higher than the inside's. That also means the concentration of the water is now smaller in the outside of the cell than the inside's, which make the water molecules diffuse from the inside of the cell to the outside, resulted in making the cell (onion cell in this case) shrunken, or smaller.
