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Iodine was used to stain onion epidermal cells so you could see the cells more clearly and examine them. Naturally, the cell parts are difficult to see because they are clear.
You put iodine on onion cells in order to make parts of the cell which were translucent, more visible. This is because iodine stains starch present in the onion cell.
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Why are cells stained with iodine solution?
Staining the onion epidermal cells with iodine will help in making the cells more visible when viewed under a microscope. It has no other effect on the cells.
Stain name used for onion cells?
safranine stain is used to stain onion cells
What are some little known facts about iodine?
Iodine is used in practical experiments such as the onion cell experiment. Iodine will help make the cells visible. Iodine, should it be spilt on skin, can stain skin and will take quite some time to wash off.
Which stain you should use to stain onion peel?
Both Iodine and Methylene Blue will work - iodine is probably used more often for onion.
What is the effect of iodine on onion cell?
Iodine solution is usually used for starch test. It colors the cell blue-black if the starch is present. Onion does not have starch. Hence it will not turn blue-black when iodine solution is added. However it does have its use in staining the cell.Similar questions:Does_onion_juice_contain_starch
What is the purpose of adding iodine solution to the onion slide preparation?
Type your answer here... It depends on what you mean by a solution. An Iodine solution can be used as a disinfectant. Iodine can be used in water supplies to help clean the water. Iodine itself is essential for good health, so it's been put in table salt to make sure we all get enough of it in our diet.
What is the radioactive iodine called used to destroy thyroid cells?
The thyroid processes iodine.
The stain commonly used when preparing onion skin for viewing through a microscope is called?
Iodine solution
What color is the cytoplasm of an onion cell?
When observing an onion cell under the microscope, it appear to be long an oval in shape. Staining the cell will make the chromosomes attain a deep purple color.
What an onion cell look like?
1. The cells of an onion skin are generally rectangular in shape and range in size from 0.25 to 0.4 millimeters in length (250-400 micrometers). A millimeter is abbreviated by mm and a micrometer by the Greek letter mu (12th letter of Greek alphabet) followed by an m:millimeterabout 1/25th of an inchmicrometer1/25,000th of an inchLeft: Microscopic view of an onion skin showing several rectangular cells, each with a small, spherical nucleus (red arrow). The slide was stained with a drop of yellowish-brown gram's iodine. Right: Highly magnified view of a cell from the meristematic root tip of an onion showing enlarged nucleus containing 16 chromosomes. The cell is in prophase of mitosis, with distinct chromosomes (chromosome doublets) and a disintegrating nuclear membrane.Onion is a term used for many plants in the genus Allium. They are known by the common name "Onion is a term used for many plants in the genus Allium. They are known by the common name "onion" but, used without qualifiers, it usually refers to Allium cepa onion" but, used without qualifiers, it usually refers to Allium cepa.
What is used to dye animal cells?
Methylene Blue is the name of the dye Iodine is used for dyeing plant cells hope this helps :-)
Why do you stain a cell with iodine?
Iodine is an important "marker element" in biology. It is used to trace certain substances such as DNA or RNA during analysis of nucleic acids in a cell. When observing a cell, iodine is used to mark the DNA or RNA in the nucleus and mitochondrion of a cell for easy viewing. So in a way, iodine is a fluorescent organelle highlighter or tag.
