What must a single-celled organism do before it can reproduce?

Where is energy trapped inside the organelle chlorophyll

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

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