What Are The Different Examples Of Monosaccharides And There Functions?


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saima jabeen Profile
saima jabeen answered
Carbohydrates are one of the major sources of energy for living organisms, including humans. Monosaccharides are the form of carbohydrates. These are the simplest units or forms of carbohydrates that cannot be further split up by hydrolysis.They contain a single chain of carbon atoms. Important monosaccharides are the hexoses and the pentoses (containing six or five carbon atoms per molecule)Hexoses:

Monosaccharides that are soluble in water and taste sweet are often called sugar.
The three most important hexose sugars are glucose, fructose and galactose.
Glucose and galactose are aldoses and fructose is a ketose.

Galactose does not exist freely in nature, but it is found combined with glucose in the milk sugar, lactose. Some babies who have inherited an inability to use galactose in the milk on which they are fed suffer severe tissue injury- a condition known as galactosaemia. Such babies should be fed on foods other than milk.

This illustrates the fact that modes of arrangement of atoms in molecule are crucial to their biological functions.Galactose is useful in the liver function test when administered to a patient with a damaged liver; the galactose appears unchanged in the urine.
Anonymous Profile
Anonymous answered
There are three types of monosaccharides.  One type of monosaccharides are glucose, glucose is produced by plant.  Another kind is Fructose which is found in fruits.  The third kind is Glucose which is found in milk

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