If cells are grown in a medium containing radioactive ¹⁵N, which of these molecules will be labeled?
A) fatty acids only
B) nucleic acids only
C) proteins only
D) amylase only
E) both proteins and nucleic acids

Question

Quizplus · Accepted Answer

Proteins and nucleic acids contain nitrogen, which is necessary for the formation of ¹⁵N labeled molecules. Fatty acids and amylase do not contain nitrogen, and therefore would not be labeled in this experiment.

If Cells Are Grown in a Medium Containing Radioactive ¹⁵N