Keith has struggled with his weight throughout life.Though he would very much like to be thinner and healthier, he claims to have little time for exercise and says he has “no taste for vegetables.” With those limitations in mind, Keith has started researching extreme diets he thinks might fit his […]

1. Heparin is a polyanion that inhibits RNA transcription in vitro by binding directly to bacterial RNA polymerase (RNAP). If heparin interferes with the ability of the polymerase to bind DNA in a non-specific fashion, what subunit of RNAP is the heparin binding to? 2. The 5′ end of the […]

In the imaginary species, the white-lipped tree wolf, male pups are born at twice the size of female pups. Males require twice the food of females to reach sexual maturity. What is the expected sex ratio at birth? a)twice as many males as females b) twice as many females as […]

An oligomeric protein has a molecular weight of 153000. A 960 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene(sanger’s reagent) until the reaction was complete. Next the peptide bonds were hydrolyzed by heating with concentrated HCl. The product of the complete hydrolysis contained 12 mg of the compound shown […]