In his thinking about the biological processes linking DNA genes to proteins , Crick made explicit the distinction between the materials involved , the energy required , and the information flow .
Crick also used the term `` central dogma '' to summarize an idea that implies that genetic information flow between macromolecules would be essentially one-way : DNA → RNA → Protein In his thinking about the processes linking DNA genes to proteins , Crick made clear the distinction between the materials involved , the energy required , and the information flow .