Monosaccharides are the group of carbohydrates that are the simplest form of sugar. Option A galactose is a monosaccharide sugar.
What are monosachharides?
Monosaccharides are simple sugars and are the fundamental unit of carbohydrates.
The general structural formula for the monosaccharides is (CH₂O)ₙ
The structure of the monosaccharide sugar contains carbon, oxygen, and hydrogen molecules in their structure.
Galactose that is a simple sugar with six carbon atom rings Hence, option A is a correct option
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