Which of the Following Is NOT Correct Regarding Cryoelectron Microscopy

question 27

Multiple Choice

Which of the following is NOT correct regarding cryoelectron microscopy?

• A) It does not require shadowing or negative staining.
• B) It involves obtaining images from many-sometimes tens of thousands of-individual molecules that may or may not all be in the same orientation.
• C) Subnanometer resolutions (e.g. 0.5 nm or better) can be achieved by this technique.
• D) It can only be used to see the exterior surface of molecules and complexes.
• E) Atomic models obtained from x-ray crystallography can be fitted into the density envelope obtained from this technique.
• Answers

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