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A hot bath of ethanol decolorizes the leaf by washing out the chlorophyll. If the leaf is not decolorized, you cannot see the blue-black stain that results from the iodine reacting with the starch.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoto determine if the leaf starch is present . If it is any area containg starch will turn a blue/black colour
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What role do polysaccharides play in living thing?
it has more starch
What is the role of the enzymes of the digestive system in the complete breakdown of starch?
amylase (starch) to maltose maltase maltose to glucose Hydrolysis (of) Glycosidic bonds
What is the biological role of starch?
The major function of starch is to provide energy for the body. Starch is also used in various chemical processes that powers the cells of the body.
In which part of a leaf does photosynthesis occur?
in the stomata
Which best explains the role of chlorophyll in photosynthesis?
i don't know someone answer thi question for me please
What is the Role of alcohol in the experiment of testing for starch?
starch can be broken down into glucose units by amylase enzymes. the glucose can then be fermented into alcohol by yeast cells. http://en.wikipedia.org/wiki/Fermentation_(food)
What is the role of potassium iodide in the formulation of strong iodine solution?
The role of KI in the preparation of strong iodine solution is to enhance the solubility of iodine crystals in water. Iodine is generally not soluble in water. The KI is added to help the iodine to be dissolved. -College Chemistry professor
What is the role of H2SO4 in grignard reactions?
what is role of iodine in grignard reaction
What is the role of IKI in the experiment?
to present the starch.
What is the role of Ptyalin in digestion?
it digests starch into maltose
What role do polysaccharides play in living things?
it has more starch
What role do polysaccharide play in living things?
it has more starch
What role do polysaccharides play in living things'?
it has more starch
What role do polysaccharides play in living thing?
it has more starch
What is the purpose of a vein on a leaf?
The purpose of the veins of a leaf is to hold nutrient and carry out the role of photosynthesis.
What is the role of the role of the lipid droplet in a chloroplast?
Lipids can store much energy.Excess starch are turned into lipids and stored.
What is the role of the enzymes of the digestive system in the complete breakdown of starch?
amylase (starch) to maltose maltase maltose to glucose Hydrolysis (of) Glycosidic bonds
