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Biology · Principles and Processes in Biotechnology

हिन्दी

During agarose gel electrophoresis of restriction endonuclease digestion products, DNA fragments migrate towards the:

  1. A
    Cathode because DNA is positively charged.
  2. B
    Anode because DNA is negatively charged.
  3. C
    Anode because DNA is positively charged.
  4. D
    Cathode because DNA is negatively charged.

Correct answer · Option B

Anode because DNA is negatively charged.

Explanation

DNA molecules carry negative charges on their phosphate backbone and therefore migrate toward the positive electrode (anode).
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