Figure 13.1 -In the Late 1950s, Meselson and Stahl Grew Bacteria in Bacteria

Multiple Choice

Figure 13.1
-In the late 1950s, Meselson and Stahl grew bacteria in a medium containing "heavy" nitrogen (15N) and then transferred them to a medium containing 14N. Which of the results in Figure 13.1 would be expected after one round of DNA replication in the presence of 14N?

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