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Which mechanism fundamentally limits electron microscope resolution improvements when imaging biological samples?

A)Specimen damage from inelastic scattering
B)Chromatic aberration in magnetic lenses
C)Spherical aberration overwhelms short wavelengths
D)Electron diffraction broadening scattering angles

💡 Explanation

When electrons interact with a biological specimen, inelastic scattering occurs, causing energy loss and subsequent bond breakage due to interacting photons because of the first Born approximation, leading to specimen damage. Therefore, specimen damage limits resolution, rather than lens aberrations or diffraction, which can be corrected or are less dominant effects.

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