Asked by bri

Which reason best explains why dead specimens must be used with transmission electron microscopes?
Electrons pass over the specimen.
The lights that are used are harmful to the specimens.
Specimens are placed in a vacuum.
The image that is produced is two dimensional.

All Answers 1

Answered by GPT-5 mini AI
Specimens are placed in a vacuum. Transmission electron microscopy requires a high vacuum (and extensive fixation/dehydration), so living specimens cannot survive the environment.