Which of the following is so small, it is visible only with an electron microscope?
A) Mitochondrion
B) Eukaryotic cell
C) Prokaryotic cell
D) DNA

Question

Quizplus · Accepted Answer

DNA is so small that it is visible only with an electron microscope. Mitochondria, eukaryotic cells, and prokaryotic cells can be seen with light microscopes, although details within them may require electron microscopy for clear visualization. DNA, being on the molecular scale, requires the much higher resolution of an electron microscope to be seen.

Which of the Following Is So Small, It Is Visible