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3' GCTTAGTCCG 5' Which of the following nucleotide base sequences complements the section of DNA modeled above? A. 3' TAGGCTGAAT 5' B. 3' CGAATCAGGC 5' C. 3' CGTTAACGAG 5' D. 3' GCTTAAGTCA 5'.



Answer :

047
If a strand of DNA is - 3' GCTTAGTCCG 5';

the complementary strand would be - 5' CGAATCAGGC 3'

3' GCTTAGTCCG 5'; - strand
5' CGAATCAGGC 3' - complimentary strand

So there is no correct answer i guess. But if we change the polarity(change 3' to 5' and 5' to 3') of option B, then B would be the correct answer.

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