CARBOHYDRATES
Introduction
Carbohydrates are widely distributed in plants
in which they are formed from carbon dioxide of the atmosphere and water by
photosynthesis. Plants use carbohydrates as the precursor for the synthesis of
proteins, lipids and other organic compounds. Animals obtain their
carbohydrates from plants.
Functions of carbohydrates
Carbohydrates have a variety of functions in
the animal and human body.
·
They
supply energy for body functions and for doing work.
·
They are
structural components of many organisms.
·
They
exert a sparing action on proteins.
·
They
provide the carbon skeleton for the synthesis of some nonessential amino acids
and fats.
·
Some
carbohydrates are present as tissue constituents.
·
Starch
forms main source of carbohydrates in the diet.
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