प्र: Jacques Dubochet Joachim Frank and Richard Henderson won the 2017 Nobel Prize in Chemistry for developing which of the following?

• 1
  Cryo-electron microscopy, which simplifies and improves the imaging of biomolecules. This method has moved biochemistry into a new era.
• 2
  Compound microscope
• 3
  Simple microscope
• 4
  None of these