Which of the following intercalates between DNA bases, causing dead cells to stain red under a fluorescence scope?
A) propidium iodide
B) syto-9
C) bile salt
D) crystal violet
E) safranin

Question

Quizplus · Accepted Answer

Propidium iodide is a commonly used fluorescent stain that intercalates between DNA bases and stains dead cells red under a fluorescence microscope. Syto-9 is also a fluorescent stain but it stains live cells green. Bile salt, crystal violet, and safranin are not commonly used for staining dead cells with a fluorescence microscope.

Which of the Following Intercalates Between DNA Bases, Causing Dead