Transmission electron microscopy is used to
A) study the shapes of whole cells in single, thin sections.
B) view living cells in three dimensions.
C) view fluorescently labeled proteins in cells.
D) observe subcellular organelles and macromolecules.

Question

Quizplus · Accepted Answer

Transmission electron microscopy is used to observe subcellular organelles and macromolecules at a high magnification and resolution. It is particularly useful for studying the ultrastructure of cells, such as the shapes and organization of organelles, and the fine details of macromolecular complexes. A and B are not accurate because transmission electron microscopy is not used to study whole cells or living cells in three dimensions. C is not accurate because viewing fluorescently labeled proteins in cells would require fluorescence microscopy, not transmission electron microscopy.

Transmission Electron Microscopy Is Used to