In Their Famous Experiment, Which of the Following Would Meselson

Multiple Choice

In their famous experiment, which of the following would Meselson and Stahl have observed after one cycle of replication in 14N medium if DNA replication were CONSERVATIVE?

A) An equal number of DNA molecules containing two 15N- DNA strands and DNA molecules containing two 14N- DNA strands
B) DNA molecules containing one strand of 15N- DNA and one strand of 14N- DNA
C) A mix of DNA molecules corresponding to A and B
D) DNA molecules containing two 15N- DNA strands only
E) DNA molecules containing two 14N- DNA strands only