Chargaff „³ base pairing rule: 1 = 3 and 2 = 4

II. Maurice Wilkins and Rosalind Frankilin „³ X-ray diffraction photos of DNA molecule

- DNA molecules: tightly coiled helix and composed of two or three chains of nucleotides

III. Chargaff builds a model of the double helix: "a spiral stair

Some common words found in the essay are:
DNA Helices, III Chargaff, Structure Gene, Genes Eukaryotes, II Multigene, Rosalind Frankilin, DNA Phosphate, Cytosine Chargaff, , DNA Replication, double helix, hydrogen bonds, 2 strands, „³ dna, particular proteins,
Approximate Word count = 306
Approximate Pages = 1 (250 words per page double spaced)