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Use the Figure to Answer the Following Question

Question 55

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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 (¹³N) 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 (¹³N) 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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