The use of which of the following devices has given the modern biologist a better insight into the internal structure of cells
Super Computer
Electron microscope
Spectrophotometer
Ultracentrifuge
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The two diseases that most often kill AIDS victims are1.Kaposi s sarcoma
2.Lymphangioma
3.Pneumocystis carinii pneumonia
4.Systemic Lupus erythromatosus