What two diseases have been studied together that provide evidence of evolution in humans? 1. iron-deficient anemia and yellow fever
2. cytochrome c disease and plasmodium fever
3. sickle cell anemia and malaria
4. malaria and ebola

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?