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?
Definitions:
Procedure Performed
A medical or surgical action or operation carried out to diagnose or treat a disease, injury, or condition.
Medical Record
A comprehensive document that contains a patient's health history, treatments received, and progress notes, maintained by healthcare providers.
Patient Identifier
A unique code, number, or set of information used to ensure patients are correctly identified within a healthcare system.
Incision
A surgical cut made in skin or flesh to allow access to the inside of the body.
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