Rearrange the following sentences in the correct order. Note that sentence (G) is fixed and must place itself at the sixth position after the correct rearrangement.

A. Last is galactose, which, like glucose, is a simple sugar that can be used as energy.

B. The first is glucose, a primary source of energy for the body's cells.

C. These three monosaccharides, while distinct, play crucial roles in providing energy and building other essential molecules.

D. Sucrose, commonly known as table sugar, is a disaccharide composed of glucose and fructose.

E. Second is fructose, often found in fruits, and is known for its sweetness.

F. Sugar components are the building blocks of carbohydrates, a major class of organic compounds essential for life.

G. Understanding these basic sugar units is fundamental to comprehending how our bodies utilize carbohydrates and how different sugars impact our health.