How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species . b) comparing homologous structures in living species. c) examining homologous structures in fossil remains. d) examining the written records of scientist from past structures.

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now