The twisted ladder on left shows nucleotides with ribose and phosphate backbone forming Watson-Crick DNA structure. The equation on top of DNA belongs to set of equations representing virus dynamics of HIV and CD4 T Cells. Oligonucleotide Sequence of 4 bases ATCG on left shows telomere sequence pattern of various vertebrates which is supposed to be involved in life shortening. Chemical Structure in top left shows Hydrogen bonds formation between Guanine and Cytosine under van der Waals force.