He was also one of the first to demonstrate that folic acid and B cofactors had roles in the processes mentioned .
Paul Berg 's doctorate paper is now known as the conversion of formic acid , formaldehyde and methanol to fully reduced states of methyl groups in methionine .
Paul Berg was also Paul Berg of the first to demonstrate that folic acid and B cofactors had roles in the processes mentioned .
Paul Berg 's doctorate paper is now known as the conversion of formic acid , formaldehyde and methanol to fully reduced states of methyl groups in methionine .