STOP 10. The Sphase stands for synthesis, which means to make or build something more complex out of
simpler parts. Scientists know that during the Sphase DNA is being made in the nucleus of the
cell. Why do you think the cell needs to make more DNA at this time in the cell cycle?

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because

The carrier molecules of the electron transport system are located in the

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