GENERAL KNOWLEDGE

Detailed explanation-1: -Stanley N. Cohen . In 1973, Stan Cohen and Herb Boyer worked together to understand how genes work and ended up proving that DNA cloning was feasible. Their experiments showed that DNA molecules containing non-native genes were functional and capable of being propagated in living cells.

Detailed explanation-2: -Stanley Cohen is a biochemist who participated in the discovery of nerve growth factor (NGF) and epidermal growth factor (EGF). He shared the 1986 Nobel Prize in Physiology or Medicine with Rita Levi-Montalcini for their work on the discovery of growth factors.

Detailed explanation-3: -Together with Stanley Cohen, Boyer demonstrated the possibility of producing recombinant DNA in bacteria in 1973. This they did by combining a gene for frog ribosomal RNA with a bacterial plasmid which was then put into a strain of E-coli for expression.