N1970, hamilton smith isolated the first restriction enzyme. restriction enzymes are used to cut strands of dna at specific points. this discovery led to the development of recombinant dna, which is widely used in several scientific industries to produce proteins and hormones more cheaply and in much larger quantities than earlier methods. the change in scientific knowledge caused by smith’s discovery most directly affected which sector of society?
a.)technology
b.)commerce
c.)government
d.)education