Potato more than onion, but both have some.
potato stores the starch in its root.
A potato stores its "food"mostly as starch in a tuber.
The part of the potato that we eat is a root, in which the potato plant has stored nutrients for its own use. Starch is a convenient nutrient with which to store calories that the plant can use to grow. We, of course, can also use starch for our own purposes.
The potato does not store sugar because there is no sugar in it. The plant has starch in it which is then turned into "sugar" when it is eaten and digested. -when starch is digested, it turns to glucose. The organelle holding the startch grains are called leucoplasts.
Storage food for seeds and varietals. Potatoes store all that starch in their trbers because the eyes of the potato are the progeny of the potato.
You could cut a piece of potato and put iodine on it. There will be a color change.
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Potato is composite of relatively high amount of starch and sugar. Longer you store potato or more mature the potato gets, the starch are converted into sugar. Potato peel contains very trace amount of protein.
It is a good food and they are neat. In a potato plant; the potato is serves as a tuber. This is a specialized underground stem which allows the plant to store nutrients in the form of starch. After cold periods or dry months the plant uses this starch to regrow. food.
Starch is a way of storing chemical energy for laster use; like freezing fuel into solid pieces which can be thawed and burnt or used in vehicles later on.
The main function of amyloplasts in potatoes are to store starch and sugars in the potatoe cells.
it's a plastid. it stores food such as starches, proteins and lipids. it's in most plant cells. it's especially prominent in storage organs such as potato tubers.A potato plant stores starch in the leucoplasts. The plants store these starches as food and nutrition for the next generation of potatoes.