Which of the Following Tools Helps in the Visualization of DNA

Question

Which of the following tools helps in the visualization of DNA inside a cell?  
A) polarized light microscope
B) visible light microscope
C) fluorescent dye
D) Gram staining
E) scanning electron microscope

Accepted Answer

Fluorescent dyes specifically bind to DNA and emit fluorescent light when exposed to certain wavelengths of light. This makes it possible to visualize the location and amount of DNA in a cell, as well as track its movement during processes such as cell division.