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Use the Figure to Answer the Following Question

Question 25

Multiple Choice

Use the figure to answer the following question. Use the figure to answer the following question. In the late 1950s, Meselson and Stahl grew bacteria in a medium containing heavy (radioactive) nitrogen (15N) and then transferred them to a medium containing 14N (non-radioactive) . Which of the results in the figure would be expected after one round of DNA replication in the presence of 14N? A) A B) B C) C D) D In the late 1950s, Meselson and Stahl grew bacteria in a medium containing "heavy" (radioactive) nitrogen (15N) and then transferred them to a medium containing 14N (non-radioactive) . Which of the results in the figure would be expected after one round of DNA replication in the presence of 14N?


A) A
B) B
C) C
D) D

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