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There is no complex chemical reason why iodine is added to a cell. It is simply added to stain a cell to make it easier to study under a microscope, as it gives some contrast to the cell to make certain organelles stand out that would be unclear or invisible without this stain. There are, however, many other stains that can be used, for example Haematoxyline and Eosin (H&E) staining which is used often to identify and study cancerous cells.
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What happens if you add iodine drops to a non-starch?
If you add iodine to starch the start will turn to a dark color blue/blk because of the enzyne Amylase (in starch), so if it is non starch there will not be a reaction and it will be clear.
What will happen when you add strong iodine solution to chloroform?
organic solvent layer is violet
How can you separate a mixture of iodine ammonium chloride and sand?
Add sufficient water to dissolve the ammonium chloride. Neither the iodine nor the sand will dissolve.Filter out the solids.Evaporate the ammonium chloride from the solution.Heat the solids gently in a retort to sublimate the iodine and recover it.
Is iodine and water heterogeneous mixture?
Iodine is much more soluble in ethanol than in water, so it will usually form a homogeneous mixture. Of course, if you add more solid iodine than will dissolve in your quantity of ethanol at the temperature at which you are working, the excess solid will sink to the bottom. In that case, you have a heterogeneous mixture.
What does an increase in red blood cells mean?
To add more blood to your body cells.
How do you get iodine in foods?
Iodine is found in foods with seaweed. To add iodine to your food, add kelp, wakame, or kombu to the food while cooking.
Why is methylene blue necessary to view your check cells?
This is because the cheek cell is transparent. Since the membrane of the cheek cell is selectively permeable, it allows the methylene blue to enter the cell , therefore makes it blue in color from the inside. Then we are able to see the cheek cell properly under a microscope... please note. : we are supposed to add a bit of water and gliserene too . WATER : to transfer the cheek cells on to the slide AND GLISERENE: to prevent the cheek cells from drying up.
Why were iodine pills dispensed in schools in the 1950's?
It was to add iodine to diets that lacked iodine in order to prevent "goiters".
How do you prepare 0.1M IODINE?
2grm iodine and 4grm KI add to 1000ml of water
What happens when you add hydrogen to iodine?
You get Mikey.
How do you prepare 0.1M iodine solution?
2grm iodine and 4grm KI add to 1000ml of water
When adding iodine to milk how long does it take to turn purple?
it depends on how much iodine you add to the milk.
What happens when you add iodine crystal and chloroform?
iodine is soluble in CHCl3. Liquid become purple in color.
What color is the iodine after you add it to the whole cracker?
purple
How do you prepare 0.1 Normality of iodine solution?
- Add 12,69 g iodine in 1 L water - Add 20-30 g of potassium iodide, KI
What happens when you add iodine to water?
Nothing special happens and no reaction occurs. Iodine is hardly soluble in water.
What is the difference between an onion cell and a cheek cell?
Cheek cells are only found in animals, whereas onion cells are found in platns, particularly onion cells. Cheek cells, being animal cells, do not contain a cell wall as onion cells do becasue cell walls are found only in plant cells for structure and rigidness. Onion cells, unlike most plant cells, do not have chlorplasts becasue it does not need sunlight for photosynthesis as other plants do. Being grown underground, it receives nutrients directly from the soil, so chloraplasts are not evident. This is also why onions are never green, since chloroplasts contain chlorpohyll, a pigment which gives plants its green color. Basically, cheek cells are found in animals, and onion cells are found in plants.
