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1. |
The structure of DNA like a spiral ladder because |
A. | Purine and Pyrimidine are on the opposite side |
B. | Purine and Pyrimidine linked with hydrogen bond |
C. | All nucleotides join through a phosphodiester bond |
D. | Two polynucleotide chains arranged parallel to each other and are spirally Twisted |
Answer» E. | |