If it is criminal to leave a 13-year old alone to babysit children, then I am one guilty editor with a lot of guilty girlfriends. The summer I turned 12, I was working as a mother's helper for a woman who had two young girls. She would regularly leave me unattended to watch the girls while she ran errands.
Monosaccharides are the simplest form of carbohydrates and may be subcategorized as aldoses or ketoses. The sugar is an aldose if it contains an aldehyde functional group. A ketose signifies that the sugar contains a ketone functional group.
Quick Answer. Monosaccharides are simple sugars that are used primarily as a form of energy for the organisms that consume them. Glucose, which is present in many different types of foods around the world, is the most common type of monosaccharide and is used as an energy source for many animals, including humans.