Dna fragments from a gel are transferred to a nitrocellulose paper during the procedure called southern blotting. what is the purpose of transferring the dna from a gel to a nitrocellulose paper? a) to attach the dna fragments to a permanent substrate b) to separate the two complementary dna strands c) to transfer only the dna that is of interest d) to prepare the dna for digestion with restriction enzymes e) to separate out the pcrs

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.