What is the complementary strand of DNA for the base sequence 5'-GCATGAGCC-3'?

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Study for the Biochemistry Module 6 Exam. Study with flashcards and multiple choice questions; each question includes hints and explanations. Gear up to ace your test!

Multiple Choice

What is the complementary strand of DNA for the base sequence 5'-GCATGAGCC-3'?

Explanation:
DNA bases pair specifically and the two strands run in opposite directions, so the complementary strand is built by swapping each base with its partner: G pairs with C, C with G, A with T, and T with A. For 5'-GCATGAGCC-3', replace each base accordingly and read the new strand from its 3' end to its 5' end: 3'-CGTACTCGG-5'. This arrangement preserves both the correct base pairs and the antiparallel orientation, making it the correct complementary strand.

DNA bases pair specifically and the two strands run in opposite directions, so the complementary strand is built by swapping each base with its partner: G pairs with C, C with G, A with T, and T with A. For 5'-GCATGAGCC-3', replace each base accordingly and read the new strand from its 3' end to its 5' end: 3'-CGTACTCGG-5'. This arrangement preserves both the correct base pairs and the antiparallel orientation, making it the correct complementary strand.

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