which is false regarding LAC OPERAN MODEL :: (A) CAMP-CAP COMPLEX IS A POSTIVE REGULATOR, (B) PROMOTER IS A TRANS ACTING FACTOR, (C) Y gene = GALACTOSIDE PERMEASE, (D) A gene= GALACTOSIDE ACETYLASE
Answer is B. promotor is a cis acting factor in lac model The lac operon * The lactose operon designated as lac operon. * The lac operon codes for enzymes involved in the catabolism (degradation) of lactose. * lactose is the disaccharide which is made up of glucose & galactose. * It is the inducible operon since the presence of lactose induce the operon to switched on. ref : vasudevan 9th ed