When DNA and/or RNA are in the double helix configuration each helix is the complementary sequence of the other.
ATAGCC is complementary to the base sequence TATCGG.
transcription
A binds with T, C binds with G. Therefore the complementary DNA sequence will be GTCAATCG. The complementary RNA would be CAGTTAGC. The OH means it is the 3' end - so the complementary strand would be 5' at the same spot.
GCCUAGUA
Ggc tct aac
The complementary sequence to aggtac would be tccatg. T is complementary to A and C is complementary to G.
its tcaa
The complimentary DNA sequence would be TAGGCGATTGCATTGGG. The complimentary mRNA sequence would be UAGGCGAUUGCAUUGGG.
TGCA
auc
TGCA
ATAGCC is complementary to the base sequence TATCGG.
transcription
A binds with T, C binds with G. Therefore the complementary DNA sequence will be GTCAATCG. The complementary RNA would be CAGTTAGC. The OH means it is the 3' end - so the complementary strand would be 5' at the same spot.
Ggc tct aac
TGCA
forward primers are complementary to anti sense strand of the dsDNA