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NEET Re Exam 2022 Biology Paper

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Question : 98

Total: 100

Refer to the following statements for agarose- gel electrophoresis :
(a) Agarose is a natural polymer obtained from sea-weed.
(b) The separation of DNA molecules in agarose-gel electrophoresis depends on the size of DNA.
(c) The DNA migrates from negatively-charged electrode to the positively-charged electrode
(d) The DNA migrates from positively-charged
electrode to the negatively-charged
electrode. Choose the most appropriate answer from the options given below

(b), (c) and (d) only
(a) and (b) only
(a), (b) and (c) only
(a), (b) and (d) only

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