1. The Watson and Crick model of a double-helical structure for DNA was based on evidence from
(A) Atomic force microscopy.
(B) Cryo-EM (electron microscopy).
(C) NMR (nuclear magnetic resonance) spectroscopy.
(D) X-ray crystallography.
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統計: 尚無統計資料
統計: 尚無統計資料