Aldose sugars are a type of monosaccharide (simple sugar) that contains an aldehyde group (-CHO).
A simple sugar or monosaccharide which is an important carbohydrate in biology. It's an example of an aldose sugar because it has an aldehyde group.
Galactose: Another example of an aldose sugar, galactose is one component along with glucose that makes up lactose, the sugar found in milk.
Ribose: A five-carbon aldose sugar essential for RNA formation.