3 Questions
What is used to enhance the image in a transmission electron microscope (TEM)?
Thin section of preserved cells stained with atoms of heavy metals
What is the main function of a transmission electron microscope (TEM)?
To study the internal ultrastructure of cells
How is the image in a transmission electron microscope (TEM) focused and magnified?
By electromagnets instead of glass lenses
Study Notes
Transmission Electron Microscope (TEM)
- Staining is used to enhance the image in a TEM, as it increases the contrast between different parts of the specimen.
- The main function of a TEM is to produce a highly magnified image of the internal structure of a specimen, allowing for the study of ultrastructural features.
- The image in a TEM is focused and magnified using electromagnetic lenses, which work by converging or diverging the electron beam to produce a magnified image on a screen or detector.
Test your knowledge about the transmission electron microscope (TEM) and its use in studying the internal ultrastructure of cells. Learn about how electron beams are used to generate 2-dimensional micrographs and the staining techniques used to enhance images of thin specimens.
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