A chemist has synthesized a heavy element in the laboratory and found that it had this electron configuration: 1s22s22p63s23p64s23d104p65s24d105p6 6s24f145d106p67s25f146d8

What is the name of this element?

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.