An organism ultimately must obtain all of the necessary energy for life from its environment
If starch is not digested in the small intestine (as happens when a significant amount of starch is ingested at once), it travels through the digestive system and is fermented in the large intestine.
what are the function of starch ?
Starch is a complex carbohydrate that is kept as a reserve food supply in plants and is generated from glucose during photosynthesis in the green leaves.
It is present in root vegetables, beans, and whole grains. Starch breakdown produces glucose units, which supply more energy to complete metabolic activities than simple carbohydrates.
When the body requires it, it transforms it into glucose, and this glucose circulates throughout the body via the circulation, where it is taken up by cells and utilized as a source of fuel.
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