Refer to the following statements for agarose-gel electrophoresis:
(i) Agarose is a natural polymer obtained from sea-weed.
(ii) The separation of DNA molecules in agarose-gel electrophoresis depends on the size of DNA.
(iii) The DNA migrates from negatively-charged electrode to the positively-charged electrode
(iv) The DNA migrates from positively-charged electrode to the negatively-charged electrode.
Choose the most appropriate answer from the options given below:
Text Solution
Verified by ExpertsB
(i) True — Agarose is a natural polymer obtained from seaweed.
(ii) True — DNA separation depends on fragment size.
(iii) True — DNA is negatively charged, so it moves from negative (cathode) to positive (anode).
(iv) False — opposite of actual movement.
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