Monosaccharides are called reducing sugars but disaccharide are not why?

A reducing sugar is any sugar that is capable of acting as a reducing agent because it has a free aldehyde group or a free ketone group. ... Ketoses must first tautomerize to aldoses before they can act as reducing sugars. The common dietarymonosaccharides galactose, glucose and fructose are all reducing sugars.

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Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.