The pentose sugars ribose and deoxyribose are part of the nucleotides that make up the crucial nucleic acids like DNA and RNA . The highlighted area shows the difference between the two sugars.

Which one is the example of Pentoses sugar?

Pentose is a five-carbon simple carbohydrate (monosaccharide). An example of a pentose sugar would be ribose in RNA and deoxyribose in DNA.

Is glucose a pentose sugar?

Glucose: From the structure we can see that there are 6 carbon atoms, and 5 hydroxyl groups. So the structure does not satisfy the basic criteria for pentose sugar. So this is not pentose sugar.