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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.
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Why do you use iodine to stain a cell?
Iodine stains starch contained in cells. Iodine is also used to distinguish between Gram negative and Gram positive bacteria. The Gram stain contains iodine.
What structure does iodine stain?
iodine
Why is gram's iodine called mordant?
Gram's iodine is called a mordant because it fixes the primary stain to the cell wall and adds any color.
What is the use of Iodine in gram stains?
The iodine in the gram stain serves as a mordant or fixative.
Is Iodine a soild or gas?
Elemental iodine is a solid. But it is a volatile solid in that chemists will use solid iodine in a chamber to "iodine stain" substances in thin layer chromatography. Thus iodine is like having a volatile solid.
What does lugol's iodine stain do to the activity of the cell?
I just did a lab in biology called "How Plant and Animal Cells Differ" and in the packet it had that question. The answer is: Lugol's iodine stain stops the activity of the cell. It kills whatever specimen it is staining.
What is the importance of iodine after primary stain?
Iodine work as a modrant which helps in fixing the stain properly by making a compled compoun of stain and cell wall.
What is the value of simple stain?
A simple stain like iodine can make cell parts show up that would otherwise be nearly invisible since they are colorless.A simple stain like iodine will reveal a cell's morphology.
Why are stains such as iodine used to observe cells under the microscope?
Iodine is used to stain the cell. It makes each component of the cell more visible, especially the nucleus.
Why do you use iodine to stain a cell?
Iodine stains starch contained in cells. Iodine is also used to distinguish between Gram negative and Gram positive bacteria. The Gram stain contains iodine.
What is the stain used to staines the cell membrane?
we can use feulgen's method ,in which malachite green stain is used to stain the nucleus
Why does lugol's iodine stain a cell?
iodine indicates polysaccharides, therefore plant cells can be stained with iodine, staining the chloroplasts- composed of starch(a polysaccharide), and the cell wall- composed of cellulose ( a polysaccharide)
What structure does iodine stain?
iodine
How do you remove iodine stain from paper?
The iodine stain can be removed from the paper by washing the stain in plenty of cold water. Paper distillation can also be used to remove the iodine stain from the paper.
Why is gram's iodine called mordant?
Gram's iodine is called a mordant because it fixes the primary stain to the cell wall and adds any color.
Why gram's iodine called a mordant?
Gram's iodine is called a mordant because it fixes the primary stain to the cell wall and adds any color.
The name given to a liquid used to make cells structures easier to see?
Stain . Iodine is one.
