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1. |
Which organism was used to detect the presence of thymidine on the newly formed DNA in 1958? |
A. | <i>Vivrio cholerae</i> |
B. | <i>Treponema pallidum</i> |
C. | <i>Vicia faba</i> |
D. | <i>Escherichia coli</i> |
Answer» D. <i>Escherichia coli</i> | |