Carbo - hydrate. Glucose is a common carbohydrate that will show up again and again as we discuss cell chemistry: its formula is C6H12O6. Table sugar, sucrose, is two single sugars bound together: a disaccharide simple sugar. Sugars can be anything from a single sugar molecule up to several bound together.
The two sides of the DNA molecule are Deoxyribose and phosphate these two molecules are what make up the two sides of DNA.
On the sides of the double helix, the two strands of polynucleotide, (think of this as the sides of the ladder) are where the phosphates and sugars, arranged in different orders, are located. The bases connect the two sides (think of this as rungs on the ladder) with a weak chemical bond.