DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are polymers of nucleotides linked in a chain through phosphodiester bonds. In biological systems, they serve as information-carrying molecules or, in the case of some RNA molecules, catalysts.NA (deoxyribonucleic acid) and RNA (ribonucleic acid) are polymers of nucleotides linked in a chain through phosphodiester bonds. In biological systems, they serve as information-carrying molecules or, in the case of some RNA molecules, catalysts.
snow petrels live in Antarctica, they are pure white small birds with a pointy beack.now Petrels stay warm because they have especially thick feathers and if they are freezing cold the will fluff up their feathers to stop the heat from escaping.
The bottlenose dolphin prefers to live in warmer waters. Some dolphins are kept in man-made habitats, such as the National Aquarium or Seaworld. dolphin live in ocena dolphins live in north America or antarica. they mainly livei n warm waters. Dolphins live in oceans, and marine parks. Dolphins live in all oceans of the planet and even in some important rivers dolphins live underwater about everywherenot in Aaron