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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.
Why are cells stained with iodine solution?
Cells are stained with iodine solution to visualize the presence of starch. Iodine reacts with starch to form a bluish-black complex, making it easier to visualize and distinguish starch-containing structures within the cell, such as amyloplasts or starch granules.
List the steps of the gram-staining procedure in order and fill in the color of gram-positive cells and gram-negtive cells after each step?
____________Color of Gram-positive_______Color of Gram-negativePrimary stainCrystal violet_____Purple____________________ PurpleMordant:Iodine____________Purple________________________PurpleDecolorizing agent:Alcohol-acetone__ Purple____________________ ColorlessCounterstain:Safranin___________Purple_________________________Red
Why are tomato cells stained with methylene blue as opposed to iodine solution?
Tomato cells are stained with methylene blue because it binds to nucleic acids, allowing for visualization of the cell's nucleus and DNA content under a microscope. Iodine solution, on the other hand, is typically used to stain starch grains due to its ability to form a complex with starch molecules, rather than DNA.
What equipment should be used when making slides of cheek cells to observe under a microscope?
To make slides of cheek cells for microscopy, you will need a microscope slide, cover slip, swab or toothpick to collect the cells, a staining solution (such as iodine), and a microscope with at least 400x magnification. You may also need a pipette or dropper to apply the staining solution.
After iodine is added to the slide what color do cells appear?
Cells will appear blue or purple after iodine is added to the slide. The iodine reacts with starch in the cells, resulting in a color change that helps to visualize the cellular structures.
What would happen to cells tested with iodine solution?
Cells that contain starch will turn blue-black when tested with iodine solution, indicating the presence of starch. Cells without starch will not change color in the presence of iodine solution. This test is commonly used to identify the presence of starch in cells.
How did iodine solution affects the image of the onion cells?
Iodine solution stains the starch granules in the onion cells, making them appear darker under a microscope. This helps visualize the structure and distribution of the starch granules within the cells, providing information about the cellular organization of the onion tissue.
What happens to the starch granules of the potato cells when Lugol iodine solution was added?
When Lugol iodine solution is added to potato cells, the starch granules present in the cells appear dark blue or black due to the formation of a starch-iodine complex. This color change is used as a test to detect the presence of starch in cells.
How did the iodine solution affect the image of the onion cells?
there will be change in the color for iodine into blue,black because of the presence of starch in it.
How did iodine solution affect the image of the onion cells?
there will be change in the color for iodine into blue,black because of the presence of starch in it.
How did the iodine solution affect the image of the onion cells.?
there will be change in the color for iodine into blue,black because of the presence of starch in it.
How did the iodine solution affect the image the onion cells?
there will be change in the color for iodine into blue,black because of the presence of starch in it.
How did the iodine solution affect the image of the of onion cells?
there will be change in the color for iodine into blue,black because of the presence of starch in it.
How did the iodine solution affect the image of onion cells?
there will be change in the color for iodine into blue,black because of the presence of starch in it.
What are effects of staining onion cells with dilute iodine solution?
It affects the end results. If you look at the cell under a microscope, you will see that the section where the solution of the iodine has been placed it will appear different from the others. It might be a seperate colour or it could vary in size.
How did the iodine solution affects the image of onion cells?
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