the first strands of dna were observed through which microscope?\no tunneling microscope\no simple…

the first strands of dna were observed through which microscope?\no tunneling microscope\no simple microscope\no compound light microscope\no electron microscope
Answer
Brief Explanations:
DNA strands are extremely small. Simple and compound light microscopes do not have sufficient resolution to view DNA. Tunneling microscopes are used for different purposes like imaging surfaces at the atomic - scale. Electron microscopes have much higher resolution and were used to first observe DNA strands.
Answer:
D. electron microscope