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.
Dolphins can live in the ocean or a river. in the sea. None. They live in the ocean. None. They live in the ocean. Dolphins are found all over the world; generally in shallow seawater of the continental shelves. Dolphins that love to feed on planktons are often attracted to the coastal areas. You will find them in any ocean in the world! <br /><br /> Dolphins can at times be found in rivers as well.