Ascientist is observing a eukarotic cell and a prokaryotic cell. which structure could she only observe in the eukaryotic cell?

cytoplasm
dna
ribosomes
a nucleus

Which part of cellular respiration must occur before any of the other steps can occur

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Whats one way that rocks do not follow the typical rock cycle pathway?