Nucleic acids are large biomolecules that are crucial in all cells and viruses. They are composed of nucleotides, which are the monomer components: a 5-carbon sugar, a phosphate group and a nitrogenou
The Swiss scientist Friedrich Miescher discovered the "nuclein", in 1868. Later, he raised the idea that it could be involved in heredity.
Stereo 3D image of a group I intron ribozyme (PDB file 1Y0Q); gray lines show base pairs; ribbon arrows show double-helix regions, blue to red from 5' to 3'[when defined as?] end; white ribbon is an RNA product.