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

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter22: Proteins
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Problem 22.49P: 22-49 Based on your knowledge of the chemical properties of amino acid side chains, suggest a...
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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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