Although Parkinson's disease may be caused by a number of factors, doctors speculate that Ali contracted the disease as a result of receiving too many blows to the head. So, in Ali's case, to which of the following factors can his disease best be attributed?

The influenza virus cause the flu, but not other diseases. why?

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?

If garbage is left on the street flies in microbes can arise from nothing to feed on it true or false