37. If a normal body cell of a plant contains 5 picograms (pg) of DNA, then that cell at the end of
prophase of mitosis contains ________.
(A) 2.5 picograms
(B) 5 picograms
(C) 10 picograms
(D) 15 picograms
(E) 20 picograms
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這道題目主要涉及到以下幾個生物學的觀念:...