App Logo

No.1 PSC Learning App

1M+ Downloads
DNA fragments can be seen in which colored bands when they are stained with ethidium bromide and exposed to UV radiation ?

AYellow

BBright orange

CRed

DBright yellow

Answer:

B. Bright orange

Read Explanation:

When DNA fragments are stained with ethidium bromide and exposed to UV radiation, they appear as:

Orange-colored bands

  • Ethidium bromide intercalates into the DNA double helix and emits a bright orange fluorescence when excited by UV light, making it possible to visualize the DNA fragments.


Related Questions:

Which of the following parts of a bacteriophage is labelled incorrectly?

image.png
Acetobactor aceti is a --------
What is the height of the concrete tank used in biogas plant?
YAP is associated with:
Viruses which infect bacteria are called ______