Which of the following is not a fluorescence dye?
Show Hint
- Alexa Fluor
- Green fluorescent protein (GFP)
- Red fluorescent protein (DsRed)
- Xylene cyanol
The Correct Option is D
Solution and Explanation
Xylene cyanol is a tracking dye used in gel electrophoresis to visualize DNA or RNA migration. Unlike Alexa Fluor, GFP, and DsRed, which emit fluorescence and are widely used in imaging studies, Xylene cyanol does not have fluorescent properties.
Top Questions on Techniques
- Which of the following is not true about gel electrophoresis?
- What is the role of sodium dodecyl sulfate (SDS) in protein electrophoresis?
(A) Add net negative charge to the protein
(B) Separate lipids on the basis of their molecular weight
(C) Modify native conformation of a protein
(D) Allows direct destaining of the proteins
Choose the correct answer from the options given below: - Vertical gel electrophoresis is routinely used for the separation of:
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- Arrange the given steps involved in polymerase chain reaction (PCR):
(A) Denaturation
(B) Annealing
(C) Extension
(D) Cycling
Choose the correct answer from the options given below:
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