Which of the following is a common stain used for visualizing DNA in gel electro
Practice Questions
Q1
Which of the following is a common stain used for visualizing DNA in gel electrophoresis?
Coomassie Brilliant Blue
Ethidium Bromide
Silver Nitrate
Bromophenol Blue
Questions & Step-by-Step Solutions
Which of the following is a common stain used for visualizing DNA in gel electrophoresis?
Step 1: Understand that gel electrophoresis is a technique used to separate DNA fragments.
Step 2: Know that after the DNA is separated, we need a way to see it.
Step 3: Learn that a stain is used to visualize the DNA in the gel.
Step 4: Identify that Ethidium Bromide is a common stain used for this purpose.
Step 5: Understand that Ethidium Bromide works by intercalating, or inserting itself, between the DNA bases, which allows the DNA to be seen under UV light.
