Distinguish between the structure of pyrimidines and purines. explain why adenine bonds only to thymine.

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

What is the number of phosphates in an atp molecule