Carbohydrates, such as glucose, are excellent sources of immediate energy for living organisms. More complex carbohydrates, such
as glycogen and starch, can also be used for the long term storage of energy. However, carbohydrates play other vital roles, too. Which of the following describes another common use for carbohydrates?
Proteins and carbs known as glycoproteins on the outside of a cell are used in cell signaling, the immune system, and even reproduction. Glycoproteins are very important in the body!
