Anne was observing a cell under a microscope which was undergoing binary fission. which type of cell was anne observing? select one of the options below as your answer. a. eukaryotic animal cell b. eukaryotic plant cell c. prokaryotic cell.

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?