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Watson and Crick describe structure of DNA1953. Photo: Model of DNA molecule. In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid, and several nitrogen-containing bases.Later it was found that the sugar in nucleic acid can be ribose or deoxyribose, giving two forms: RNA and DNA.atson and Crick describe structure of DNA1953. Photo: Model of DNA molecule. In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid, and several nitrogen-containing bases.
Best Answer: RNA is made of RNA nucleotides. Each nucleotide has a sugar (ribose), a phosphate, and a nitrogen base (adenine, uracil, cytosine, or guanine). The overall shape of a nucleotide is kind of like an L.Source(s): http://www.austincc.edu/muzos/RNA%201%20...ach nucleotide has a sugar (ribose), a phosphate, and a nitrogen base (adenine, uracil, cytosine, or guanine). The overall shape of a nucleotide is kind of like an L. Source(s): http://www.austincc.edu/muzos/RNA%201%20...