During DNA Replication, a DNA strand that has the bases 3'ATACGC5' produces a strand with the bases
a
5'GCGTAT3'
b
5'TATGCG3'
c
3'GCGTAT5'
d
3'TATGCG5'

During DNA Replication, a DNA strand that has the bases 3'ATACGC5'

produces a strand with the bases 5'TATGCG3'

DNA have a complementary sequence as a result of the base pairs. The

base pairs are complementary to each other as they bind to each other but

in a specified and organized manner.

Thymine(T) binds to Adenine(A) and Cytosine(C) binds to Guanine(G). The 5' end also has a complementary end of 3' and vice versa.

Therefore the complementary base of 3'ATACGC5' will be 5'TATGCG3'

During DNA Replication, the DNA strand that has the bases 3'ATACGC5' produces a strand with the bases 5'TATGCG3'  

Option B

Explanation:

The DNA Replication produces the newly formed two complimentary base pair strand from the two template base pair strand, so basically the already existing DNA strand is replicated, in order to produce complimentary DNA strand, with the template giving one strand to new each.

Thereby, here the given base was 3' ATACGC 5' so the first thing to produce the strand will be that the coding end will be reversed so the 3' end will have 5' end and 5' end will have 3' end. Then A bonds with T and T bonds with A and, so C bonds with G and G bonds with C, therefore, ATACGC will produce TATGCG. Thereby, answer would be 5'TATGCG3'.

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