DNA segments of different lengths can be separated by a process of:

Correct answer: D. Gel electrophoresis

  • A. Western blotting
  • B. Northern blotting
  • C. Autoradiography
  • D. Gel electrophoresis

Explanation

Gel electrophoresis is a technique used in molecular biology to separate different-sized fragments of charge-bearing polymers (proteins, RNA or DNA) under the influence of an electric field in a semi-solid gel medium of agarose or polyacrylamide.

This question appeared on the UHS MDCAT 2017 paper, which you can sit online with every answer explained.

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