What is the structure of a DNA molecule?
Ans) The DNA molecule having of two complementary strands oriented in an anti-parallel fashion. Every strand is composed of nucleotides. A nucleotide having of a base (a purine or pyrimidine), a sugar (among the other two components) named deoxyribose, and a phosphate group. Nucleotides are linked to each other by phosphodiester bonds, forming a sugar-phosphate backbone to every strand.