Essays on dna structure

Since two strands of DNA run in opposite direction there is complementary base pairing. It is capable of transmitting the genetic information to the next generation. DNA structure being double stranded form the hydrophobic bases are protected from the outside aqueous environment and hydrophilic ones facing outside. The replication is also efficiently carried out. Two complementary strands unwind and each preexisting strand act as template for new developing strand. Having large number of hydrogen bonding between the bases make them extremely stable. Moreover each base stacking, one above the in a planar manner gives large hydrophobic interactions which gives additional stability to the DNA. Pyrimidine base in DNA is thymine instead of Uracil. The thymine large additional non reactive methyl group which shields from other chemical or biological attacks. This gives extra stability to DNA unlike RNA molecule. Thus RNA is less stable than the DNA molecule. By the virtue of all those properties DNA is extremely suited to be the genetic material in the living organisms.

Essays on dna structure

essays on dna structure

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