A DNA strand reads TACGGT. What is the sequence of the complementary strand?
Answer and explanation
Correct answer: D. ATGCCA
- Step 1: Pair each base: T with A, A with T, C with G, G with C. Step 2. TACGGT gives ATGCCA. Answer: ATGCCA. Why not the others: The same sequence is not complementary, AUGCCA uses uracil which is found in RNA, and CGTAAC pairs the wrong bases.
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