56. The following scientists made significant contributions to our understanding of the structure and functions of DNA: I. Avery, McCarty, and MacLeod II. Chargaff III. Hershey and Chase IV. Meselson and Stahl V. Watson and Crick Place the scientists' names in the correct chronological order, starting with the oldest contribution. (A) V, IV, II, I, III (B) II, I, III, V, IV (C) I, II, III, V, IV (D) I, II, V, IV, III (E) II, III, IV, V, I