Compared to atoms of the same element, isotopes have different

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?

In "the pig," what is the main effect that the piglet initially has on kibuka?

How are fossils used to date organisms?