The correct complementary base pair for the DNA sequence ACGTGA is TGCACT (Option A).
- Deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of nucleotides linked by hydrogen bonds.
- In DNA, there are four types of nucleotides, each one containing one different nitrogenous base (i.e., Cytosine, Guanine, Adenine and Thymine).
- According to the base pair rules, Adenine always pairs with Thymine, while Cytosine always pairs with Guanine.
In conclusion, the correct complementary base pair for the DNA sequence ACGTGA is TGCACT (Option A).
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