The estimated half-life for P-O bonds is 1.3 x 105 a (a = annum = year). Approximately 10⁹ such bonds are present in a strand of DNA. How long (in terms of its half life) would a single strand of DNA survive with NO cleavage (in the absence of DNA repair enzymes)?

The estimated half-life for P-O bonds is 1.3 x 105 a (a = annum = year). Approximately 10⁹ such bonds are present in a strand of DNA. How long (in terms of its half life) would a single strand of DNA survive with NO cleavage (in the absence of DNA repair enzymes)?

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.61PAE

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Question

The estimated half-life for P-O bonds is 1.3 x 105 a (a = annum = year).
Approximately 10° such bonds are present in a strand of DNA. How long (in
terms of its half life) would a single strand of DNA survive with NO cleavage (in
the absence of DNA repair enzymes)?

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