Answers: 2
Biology, 22.06.2019 22:00
American scientist, linus pauling, was one of many scientists racing to discover the molecular structure of dna. pauling initially thought that the molecule was a triple helix. later, james watson and francis crick unveiled their double helix model, which turned out to be an accurate description of the molecule's shape. why did watson and crick succeed when pauling failed?
Answers: 1
Biology, 23.06.2019 05:00
Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
Answers: 1
Is aunt a proper noun or a common noun...
Mathematics, 05.11.2019 02:31
Mathematics, 05.11.2019 02:31
Biology, 05.11.2019 02:31
Biology, 05.11.2019 02:31
Mathematics, 05.11.2019 02:31