Latterday lessons of lambda and lac.
D010582:Bacteriophage lambda / Q000235:genetics*; D004268:DNA-Binding Proteins / Q000378:metabolism; D004926:Escherichia coli / Q000235:genetics*; D007763:Lac Operon; D011953:Receptors, Cyclic AMP / Q000378:metabolism*
D004268:DNA-Binding Proteins; D011953:Receptors, Cyclic AMP