What is the relationship between genetic variations and mutations

Anurse is administering a drug that blocks the protease enzyme so new viral particles cannot mature. which category of drugs is the nurse most likely administering

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

Several billion years ago which gas was the least prevailant in the atmosphere