The Experimental Value of a "Pulse-Chase" Cellular Labeling Experiment Using

question 17

Multiple Choice

The experimental value of a "pulse-chase" cellular labeling experiment using radioactive uracil is that:

• A)all RNAs within a cell are labeled and easily detected.
• B)the radioactivity allows for easy purification of cellular nucleic acids.
• C)all RNAs created during the pulse are labeled and detectable,revealing their stability and localization.
• D)the spliceosome function is easily seen with radiolabeled RNAs in the cellular cytosol.
• E)cells adapt to the pulse of radioactivity,revealing nucleic acid repair mechanisms.

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