Which of the following is the smallest structure that would most likely be visible with a standard (not super-resolution) research-grade light microscope?
A) mitochondrion
B) microtubule
C) ribosome
D) virus

Question

Quizplus · Accepted Answer

A standard research-grade light microscope can typically resolve structures down to about 200 nanometers. Mitochondria are usually about 0.5 to 10 micrometers in size, making them visible under a light microscope, whereas microtubules, ribosomes, and viruses are generally smaller than the resolution limit of a standard light microscope.

Which of the Following Is the Smallest Structure That Would