Friday, September 4, 2009

Are lipids present in glucose?

Lipids are one of the four classes of biological macromolecules. The other three classes are carbohydrates, proteins and nucleic acids. Lipids are more commonly referred to as fats or oils.


Glucose has the chemical formula C6H12O6. Glucose is a type of sugar. All sugars are carbohydrates.


Thus, no, lipids are not present in glucose.


However, glucose is sometimes attached to lipids. A lipid which has an attached glucose molecule is said to have been glycosylated. However, this term is not unique to glucose - any lipid with an attached carbohydrate molecules is said to be glycosylated. There are many types of carbohydrates besides glucose.


So while glucose does not contain lipids and is not a type of lipid, lipids may have glucose (or another sugar or carbohydrate) attached. 

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