9. Titration of valine by a strong base, for example NaOH, reveals two pK's. The titration reaction occurring atpK2 (pK2 = 9.62) is:a) —СООН + Он -> —соо" + Н20.b) -COOH + -NH2 -> -COO" +-NH2*.c) -co0 +-NH2* ->-COOH +–NH2.d) –NH3* + OH" -> –NH2 + H2O.e) –NH2 + OH -> –NH + H2O.10.In a highly basic solution, pH = 13, the dominant form of glycine is:а) NH2—CH2—СООН.b) NH2-CH2-coO".c) NH2-CH3*-coo.d) NH3*-CH2-COOH.e) NH3*-CH2-coo".

Answer 9 - option D) -NH3+ + OH → ¬NH₂ + H₂0 Explanation: Valine has two acid-base groups: the…

9. Titration of valine by a strong base, for example NaOH, reveals two pk's. The titration reaction occurring at pK2 (pK2 = 9.62) is: а) —СООН + ОН ->—СОО" + Н20. b) -COOH + -NH2 -> -COO" +–NH2*. c) -coO +-NH2* -> -COOH + –NH2. d) –NH3* + OH" -> –NH2 + H2O. e) –NH2 + OH" -> –NH" + H2O. 10.In a highly basic solution, pH = 13, the dominant form of glycine is: а) NH2—CH2—соон. b) NH2-CH2-COO". c) NH2-CH3*-cOO". d) NH3*—CH2—соон. e) NH3*-CH2–COO".

9. Titration of valine by a strong base, for example NaOH, reveals two pk's. The titration reaction occurring at pK2 (pK2 = 9.62) is: а) —СООН + ОН ->—СОО" + Н20. b) -COOH + -NH2 -> -COO" +–NH2. c) -coO +-NH2 -> -COOH + –NH2. d) –NH3* + OH" -> –NH2 + H2O. e) –NH2 + OH" -> –NH" + H2O. 10.In a highly basic solution, pH = 13, the dominant form of glycine is: а) NH2—CH2—соон. b) NH2-CH2-COO". c) NH2-CH3-cOO". d) NH3—CH2—соон. e) NH3*-CH2–COO".

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter6: Energy, Enzymes, And Biological Reactions

Section: Chapter Questions

Problem 8TYK: Which of the following statements about the allosteric site is true? a. The allosteric site is a...

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