What is the significance of boiling the leaf in ethanol while testing it for the presence of starch
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This procedure kills a leaf, disrupts the cell membranes and softens the cuticle and cell walls. This makes it possible to extract the chlorophyll with hot ethanol and also allows the iodine solution to penetrate the cells and react with any starch present.
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Explanation:
Boiling the leaf removes the chloroplast from it and also the green color disappears.. This helps while testing for starch..
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