Later, in 1960, the discovery that an RNA molecule and a DNA molecule could ... But as far as their structure is concerned, these RNAs all share the same basic single-stranded chemical structure ...

DNA was discovered in 1869 ... The next step was to find out its structure, in order to understand how the gene, the basic unit of heredity, works and how it is passed from one generation to ...

Nonetheless, scientists are familiar with the basic steps in the replication ... The study of DNA replication started almost as soon as the structure of DNA was elucidated, and it continues ...

Understanding this structure is essential for studying heredity and genetic information. (Image: National Human Genome Research Institute) The discovery of DNA and its double-helix structure was a ...

DNA can be cut up and separated, which can form a 'bar code' that is different from one person to the next. The basic units (monomers) of DNA are nucleotides. These nucleotides consist of a ...