Question

multiple choice question
the rapid freezing procedure of ______ has provided exciting insights into the structure and function of cells and viruses.

cryo - electron microscopy
scanning probe microscopy
confocal microscopy
transmission electron microscopy

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Explanation:

Cryo-electron microscopy uses rapid freezing (vitrification) to preserve cells/viruses in their native state, enabling high-resolution imaging of their structure and function. The other microscopy techniques do not rely on this specific rapid freezing procedure for this type of cellular/viral structural analysis.

Answer:

cryo-electron microscopy