The purpose of a DNA ladder in gel electrophoresis is to:
Show answer and explanation
Correct answer: Estimate fragment size
A DNA ladder contains fragments of known sizes that serve as molecular weight markers. Comparing sample bands with the ladder helps estimate fragment lengths.
Keep practicing
More Laboratory Bio-Techniques questions
- Which PCR component determines the region of DNA to be amplified?
- Chromatography is primarily used for:
- In paper chromatography, the stationary phase is:
- The mobile phase in chromatography is best described as:
- Which chromatography technique is commonly used to separate pigments?
- The Rf value in chromatography represents: