In 1953 James Watson and F. Crick proposed Double Helix model of DNA and got Nobel Prize their model of DNA was based on:
A. X-ray diffraction of DNA produced by M. Wilkins and R. Franklin
B. Griffith’s experiment.
C. Hershey - Chase experiment
D. Chargaff’s rule of base equivalence (A + G / T + C = 1)
(a) A, D (b) A, B, C, D (c) B, C, D (d) A, B, C