Understanding Base Pairing

In DNA, the bases pair up like this:

* A (Adenine) pairs with T (Thymine)

* C (Cytosine) pairs with G (Guanine)

Finding the Complementary Strand

1. Start with the template strand: ATCGGCTACGTACCTA

2. Replace each base with its complementary base:

* A -> T

* T -> A

* C -> G

* G -> C

3. The complementary strand is: TAGCCGATGCATGGATT

Therefore, the correct complementary DNA strand is TAGCCGATGCATGGATT.