Biomolecules are organic molecules produced by living organisms which consist mainly of the elements carbon (C), hydrogen (H), oxygen (O) and Nitrogen (N)
Classes of biomolecules
Carbohydrates
Lipids
Proteins
Nucleic acids
Carbohydrates
The most abundant class of biomolecules, known to be the chief source of energy of almost all living organisms
Carbohydrate
Hydrate of carbon, also called saccharide, from the Greek term "sakcharch" meaning "Sugar"
Subtypes of carbohydrates
Monosaccharides
Disaccharides
Polysaccharides
Monosaccharides
The simple sugars
Monosaccharides
Glucose
Galactose
Fructose
Glucose
From Greek word for sweet wine; grape sugar, blood sugar
Galactose
From Greek word for milk; "galact", found as a component of lactose in milk
Fructose
From Latin word for fruit "fructus", also known as levulose, found in fruits and honey; sweetest sugar
