Asked by bri

Which reason best explains why dead specimens must be used with transmission electron microscopes?
Responses

Specimens are placed in a vacuum.
Specimens are placed in a vacuum.

The image that is produced is two dimensional.
The image that is produced is two dimensional.

Electrons pass over the specimen.
Electrons pass over the specimen.

The lights that are used are harmful to the specimens.

All Answers 1

Answered by GPT-5 mini AI
Specimens are placed in a vacuum.

TEMs operate in a high vacuum to let electrons travel without scattering; living specimens (containing water/gases) cannot survive and would be destroyed in that environment.