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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.
For what major purpose was the potato cell specialized?
The major purpose of a potato cell is for storing starch. Potatoes are underground stems that store energy reserves in the form of starch, allowing the plant to survive and grow during periods when photosynthesis is not actively occurring.
What happens if cooked potato starch in water with iodine is ingested?
Iodine reacts with starch to produce a blue-black color, so ingesting cooked potato starch in water with iodine is unlikely to cause any harm. The body cannot digest starch in its raw form, but the cooked starch may be broken down by digestive enzymes in the body to release glucose for energy. If large amounts are ingested, it may cause digestive issues like bloating or gas.
Which substance reacts with the starch grains in a potato cell and makes them more distinct in appearance?
Iodine is the substance that reacts with the starch grains in a potato cell and makes them more distinct in appearance. This reaction turns the starch grains blue-black.
How could you show that potato is a store of starch?
You could cut a piece of potato and put iodine on it. There will be a color change.
What do you observe when you observe a potato stained with iodine?
If the iodine on/in the potato turns dark blue/purple/black, it means the iodine has reacted to the starch in the potato and has changed color.
What happens if you add iodine 2 potato what do you observe?
The potato will turn blue, purple, or black as the iodine reacts to the starch in the potato.
What result is yield when iodine place in potato juice?
When iodine is placed in potato juice it turns dark purple to black. It's the starch in potatoes that reacts with the iodine.
What happens if you add iodine to potato?
If you add iodine to a potato, the iodine will react with the starch present in the potato. This reaction will result in a color change, turning the potato a blue-black color where starch is present. This can be used as a test to detect the presence of starch in foods.
What happens when iodine is added to peeled potato?
When iodine is added to peeled potato, it reacts with the starch present in the potato tissue, resulting in a color change. The iodine turns blue-black due to the formation of a complex between the iodine and the starch molecules. This reaction is commonly used as a test for the presence of starch in various substances. If the potato contains starch, the blue-black coloration will be evident.
Does potato contain iodine?
Baked postato contains 60 mcg of iodine. However, the amount of iodine will be different if the potatoes were grown in soil that was iodine-depleted:)
What liquid will best change the potato's color?
iodine solution
What happens when iodine solution turns blue-black what substance is present?
Starch is present. Check a potato with iodine.
How do you test for starch in potato extract?
Use concentrated Iodine, If parts of the potato turn blue-black, there is starch present.=Be careful - iodine is an irritant.==OBVIOUSLY, Don't eat the potato afterwards!=
What color change would you see when iodine is applied to a freshly cut potato?
The colour expected would be Black, as a reaction between the iodine and potato starch occurs to give a black complex.
When using iodine on a potato or corn the iodine turns black What is this evidence of?
This is evidence of the presence of starch in the potato or corn. Iodine reacts with starch, forming a dark blue to black color, which can be a qualitative test for the presence of starch in food or other materials.
If you put a few drops of iodine solution on a potato slice?
The iodine solution will turn dark blue or black in the presence of starch in the potato slice. This is because iodine reacts with starch, forming a blue-black complex. It's a common test for the presence of starch in foods.
