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In the DNA structure, a purine molecule always binds with a pyrimidine molecule. How would you expect the structure to differ if Adenine forms base pairing with Guanine and Cytosine forms base pairing with Thymidine? Instead of A-T, G-C; can it be A-G, C-T? |
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Answer» The PYRIMIDINES, cytosine and THYMINE are smaller structures with a single RING, while the PURINES, adenine and guanine, are LARGER and have a two-ring structure. |
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