Which of these statements about light microscopes and electron microscopes is NOT true?
A. You can use light microscopes to observe both living and nonliving cells; you can use electron microscopes to observe only nonliving cells.
B. Light microscopes use visible light rays; electron microscopes use beams of electrons.
C. Preserving and staining samples for use with light microscopes is necessary; preserving and staining samples for use with electron microscopes is optional.
