if you cover a boiled leaf in iodine you can see how much starch is in the leaf
the iodine stayed orange because the starch wasn't present
cuticle it on the leaf for the bugs to eat to keep out posion
No purpose
Epithillium
the color of the leaf become brown-black after the iodine solution was added.
epidermis is the outermost covering of the leaf
The leaf was rinsed in water to rehydrate it. Iodine solution is an aqueous solution of iodine/potassium iodine - potassium tri-iodide; water is needed inside the leaf to enable penetration by diffusion.
to destarch a leaf, you have to have two things first. A leaf and a bottle of iodine solution. You need iodine solution to separate the sugar molecules (glucose molecules) to the leaf itself, on the upper epidermis of a leaf, on the cuticle.
the iodine stayed orange because the starch wasn't present
cuticle
leaf
then starch is not present...
The cuticle in a leaf is the waxy covering on top and bottom of the leaf. It is used to conserve water.
the cuticle
cuticle it on the leaf for the bugs to eat to keep out posion
No purpose
The Iodine test is used to test for the presence of starch.