Why Boil a Leaf for Starch Test?

Answer

You boil a leaf for a starch test to in order to make the leaf more absorptive to the iodine test. The boiling disrupts the cell membranes and cells walls which make it easy to react to the starch.
Q&A Related to "Why Boil a Leaf for Starch Test"
It is to kill the cytoplasm, denaturate the enzyme and makes the leaf become more permeable to the iodine solution, therefor, we have to boil a leaf for starch test.
http://wiki.answers.com/Q/Why_boil_a_leaf_for_star...
Dilute iodine solution (turns black in the presence of starch)
http://answers.yahoo.com/question/index?qid=201305...
Variegated leaves have areas that are white in color instead of being green. This is due to a lack of plastids that contain chlorophyll; without chlorophyll photosynthesis cannot
http://www.enotes.com/homework-help/when-performin...
Black. specifically any area that contains starch, the rest of the leaf will probably end up a murky brown.
http://uk.answers.yahoo.com/question/index?qid=200...
1 Additional Answer
Ask.com Answer for: testing a leaf for starch diagram
Image Search: testing a leaf for starch diagram
ask.com/pictures · More images »
Similar Questions
Explore this Topic
To test starch on a leaf, put the plant in darkness for 24 hours and then cut the leaf and put it in warm water to soften for one minute, then remove it from water ...
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com