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-pyrimid ine-3' with 3'-purine-pyrimidine-purine-pyrimid ine-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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Which of the following pairs of base sequences could form a short stretch of a normal double helix o...