[Campbell Biology P.144] Which of the following statements accurately differentiates between... | Practice Question

Which of the following statements accurately differentiates between Light Microscopy LM and Electron Microscopy EM based on the provided information?

  • A: Light Microscopy (LM) generally offers higher resolution and magnification compared to Electron Microscopy (EM).
  • B: Electron Microscopy (EM) techniques are capable of showing internal cell structures and often require preserved specimens, whereas certain Light Microscopy (LM) techniques can observe living, unstained cells.
  • C: All Light Microscopy (LM) methods rely on staining to achieve contrast, unlike Electron Microscopy (EM).
  • D: Electron Microscopy (EM) images are naturally produced in full color, whereas Light Microscopy (LM) images are always monochrome.

Explanation

Electron microscopy EM , especially TEM, is used to reveal internal structures and typically requires preserved specimens. Conversely, light microscopy LM techniques like phase-contrast are explicitly stated to be 'especially useful for examining living, unstained cells.' The other options contain inaccuracies regarding resolution, staining requirements for LM, and natural color of EM images.