Which one of the following is the complementary sequence for the DNA with $5^{'}$ -CGTACTA- $3^{'}$ .

5^{'}

-TAGTACG-

3^{'}

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5^{'}

-ATCATGA-

3^{'}

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5^{'}

-UTCUTGC-

3^{'}

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3^{'}

-GCATGAT-

5^{'}

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Solution

The correct option is D $3^{'}$ -GCATGAT- $5^{'}$
DNA is a double-stranded helix in which the 2 strands are complementary to each other. The purine in one strand pairs with a pyrimidine in the other strand of the helix i.e., A always paired with T and C always paired with G. Thus, the correct answer is option D.

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Which one of the following is the complementary sequence for the DNA sequence 5’ – CGTACTA – 3’

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5' - ATGCATGCATGCATGCATGCATGCATGC - 3'
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Given the DNA sequence 5’ CCTAGAA 3’, the complementary strand would read:

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Which one of the following is the complementary sequence for the DNA with 5′-CGTACTA-3′.

Which one of the following is the complementary sequence for the DNA with $5^{'}$ -CGTACTA- $3^{'}$ .