The mRNA capping reaction involves cleavage of a methylated guanosine triphosphate to release its pyrophosphate. You wish

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The mRNA capping reaction involves cleavage of a methylated guanosine triphosphate to release its pyrophosphate. You wish to measure RNA chain initiation rates in isolated nuclei. Which of the isotopes shown below would you use? Explain. What assumptions are necessary to use this experimental strategy?
32pppA p32ppA pp32pA
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Fundamentals of biochemistry Life at the Molecular Level

ISBN: 978-0470547847

4th edition

Authors: Donald Voet, Judith G. Voet, Charlotte W. Pratt

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