3,Compare the free energy, ∆G, of A-T binding and A-C binding, which one is more negative? Does this makes sense in terms of the structure of DNA?    Group of answer choices A, ∆G of the A-T binding is more negative than that of the A-C binding, which is consistent with the fact that A-C binding is not favored in DNA helix.  B, ∆G of the A-T binding is more negative than that of the A-C binding, which is consistent with the fact that A-C binding is favored in DNA helix.  C, ∆G of the A-C binding is more negative than that of the A-T binding, which is consistent with the fact that A-C binding is not favored in DNA helix.  D, ∆G of the A-C binding is more negative than that of the A-T binding, which is consistent with the fact that A-C binding is favored over A-T binding in DNA helix.

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter29: Transcription And The Regulation Of Gene Expression
Section: Chapter Questions
Problem 15P
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3,Compare the free energy, ∆G, of A-T binding and A-C binding, which one is more negative? Does this makes sense in terms of the structure of DNA? 

 

Group of answer choices
A, ∆G of the A-T binding is more negative than that of the A-C binding, which is consistent with the fact that A-C binding is not favored in DNA helix. 
B, ∆G of the A-T binding is more negative than that of the A-C binding, which is consistent with the fact that A-C binding is favored in DNA helix. 
C, ∆G of the A-C binding is more negative than that of the A-T binding, which is consistent with the fact that A-C binding is not favored in DNA helix. 
D, ∆G of the A-C binding is more negative than that of the A-T binding, which is consistent with the fact that A-C binding is favored over A-T binding in DNA helix.
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