A nucleic acid is a long molecule made up of smaller molecules called nucleotides. Nucleic acids were discovered in 1868, when twenty-four-year-old Swiss physician Friedrich Miescher isolated a ...
As early as 1943 Oswald Avery proved what had been suspected: that DNA, a nucleic acid ... tool -- beaming X-rays through the molecule yielded a shadow picture of the molecule's structure ...
The resulting RNA molecule, typically mRNA, carries the genetic message from the nucleus to the cytoplasm for protein synthesis. Nucleic acids are the foundation of genetic engineering techniques, ...