Fоr eаch gene regulаtоry prоtein аnd cellular condition provided, indicate whether the gene regulatory protein is bound or not bound to its DNA specific sequence in the E. coli lac operon. The Crp/CAP protein in the presence of glucose but no lactose [DNA1] The lac repressor in the absence of glucose but presence of lactose [DNA2] The lac repressor in the absence of glucose and absence of lactose [DNA3] The Crp/CAP protein in the absence of glucose and presence of lactose [DNA4]