4) Based on the following, which is true regarding the acid/base properties of guanine? pk = 2.4 pk = 9.4 H* NH₂ H+ NH NH₂ A) at physiological pH, guanine will be positively charged B) at physiological pH, guanine will be negatively charged C) at physiological pH, guanine will be neutral D) at physiological pH, guanine will be a very effective buffer against base E) at physiological pH, guanine will be a very effective buffer against acid e NH₂

World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter21: Biochemistry
Section: Chapter Questions
Problem 58A
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4) Based on the following, which is true regarding the acid/base properties of guanine? pk = 2.4 palindromic pka = 9.4 NH NH NH NH H+ 10A) at physiological pH, guanine will be positively charged B) at physiological pH, guanine will be negatively charged C) at physiological pH, guanine will be neutral D) at physiological pH, guanine will be a very effective buffer against base E) at physiological pH, guanine will be a very effective buffer against acid NH₂ 4)

4) Based on the following, which is true regarding the acid/base properties of guanine?
pk = 2.4
pk = 9.4
H*
NH₂
H+
NH
NH₂
A) at physiological pH, guanine will be positively charged
B) at physiological pH, guanine will be negatively charged
C) at physiological pH, guanine will be neutral
D) at physiological pH, guanine will be a very effective buffer against base
E) at physiological pH, guanine will be a very effective buffer against acid
e
NH₂
Transcribed Image Text:4) Based on the following, which is true regarding the acid/base properties of guanine? pk = 2.4 pk = 9.4 H* NH₂ H+ NH NH₂ A) at physiological pH, guanine will be positively charged B) at physiological pH, guanine will be negatively charged C) at physiological pH, guanine will be neutral D) at physiological pH, guanine will be a very effective buffer against base E) at physiological pH, guanine will be a very effective buffer against acid e NH₂
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