Which of the Following Pairs of Base Sequences Could Form

question 27

Multiple Choice

Which of the following pairs of base sequences could form a short stretch of a normal double helix of DNA?

• A) 5'-purine-pyrimidine-purine-pyrimidine-3' with 3'-purine-pyrimidine-purine-pyrimidine-5'
• B) 5'-AGCT-3' with 5'-TCGA-3'
• C) 5'-GCGC-3' with 5'-TATA-3'
• D) 5'-ATGC-3' with 5'-GCAT-3'
• E) All of these pairs are correct.

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