Which component of dna carries the genetic code

What field of science did harry hess study?

Are the earth's ocean floor and continents the same age geologically? why or why not?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers