If 14C-labeled uracil is added to the growth medium of cells, what macromolecules will be labeled?
A) DNA
B) RNA
C) both DNA and RNA
D) polypeptides

Name: If 14C-labeled uracil is added to the growth medium of cells, what macromolecules will be labeled? A) DNA B) RNA C) both DNA and RNA D) polypeptides
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Question

Quizplus · Accepted Answer

Uracil is a nucleotide base found in RNA, not DNA. When cells incorporate 14C-labeled uracil into their macromolecules, it will specifically label RNA.

If 14C-Labeled Uracil Is Added to the Growth Medium of Cells