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The DNA sequence 5' ATGCATGC 3' will pair with which of the following DNA strands?
A
3' GCATGCAT 5'
B
3' TACGTACG 5'
C
3' CGTACGTA 5'
D
3' ATGCATGC 5'
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1
Understand the concept of complementary base pairing in DNA. Adenine (A) pairs with Thymine (T), and Cytosine (C) pairs with Guanine (G).
Identify the given DNA sequence: 5' ATGCATGC 3'.
Write down the complementary bases for each nucleotide in the sequence: A pairs with T, T pairs with A, G pairs with C, and C pairs with G.
Construct the complementary strand by replacing each base with its pair: A with T, T with A, G with C, and C with G.
Ensure the directionality of the complementary strand is correct. The original sequence is 5' to 3', so the complementary strand should be written in the 3' to 5' direction.