If Cells Are Grown in Media Containing Amino Acids Labeled

question 30

Multiple Choice

If cells are grown in media containing amino acids labeled with radioactive nitrogen (¹⁵N) , most of radioactivity will be found in the cells'

• A) DNA.
• B) proteins.
• C) phospholipids.
• D) DNA and proteins.
• E) DNA and phospholipids.