A. Moving to another question will save this response: estion 12 Select the correct statement describing the structure of DNA Attachment between nucleotides happen through interaction of sugar and phosphate molecules. DNA molecule is a double stranded helical molecule, in which the phosphate groups are facing towards the center of the double helix The nitrogenous base molecule is frequently called the backbone of DNA because it connects between the sugar and the phosphate DNA is made of nucleotides composed of nitrogenous base, a five-carbon sugar (deoxyribose), and one phosphate group.