The net charge on arginine in a high- pH aqueous solution has to be predicted. Concept introduction: In the solid state and also in solution, α -amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the − COO − part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the − N + H 3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

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Answer 1

Question

Chapter 20, Problem 20.52EP

(a)

Interpretation Introduction

Interpretation: The net charge on arginine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(b)

Interpretation Introduction

Interpretation: The net charge on glutamic acid in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(c)

Interpretation Introduction

Interpretation: The net charge on glutamine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(d)

Interpretation Introduction

Interpretation: The net charge on alanine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

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Students have asked these similar questions

Identify which of the following pairs of amino acid residues can have hydrogen bonding between their side chains. A. Alaine and Glycine B. Leucine and Isoleucine C. Valinc and Asparaginc D. Threonine and Tryrosine

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Select the amino acids that are most likely to participate in hydrophobic interations. SELECT ALL THAT APPLY A. Valine B. Leuicine C. Phenylalanine D. Aspartate

Answer 2

Question

Chapter 20, Problem 20.52EP

(a)

Interpretation Introduction

Interpretation: The net charge on arginine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(b)

Interpretation Introduction

Interpretation: The net charge on glutamic acid in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(c)

Interpretation Introduction

Interpretation: The net charge on glutamine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(d)

Interpretation Introduction

Interpretation: The net charge on alanine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

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Answer 3

Question

Chapter 20, Problem 20.52EP

(a)

Interpretation Introduction

Interpretation: The net charge on arginine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(b)

Interpretation Introduction

Interpretation: The net charge on glutamic acid in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(c)

Interpretation Introduction

Interpretation: The net charge on glutamine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(d)

Interpretation Introduction

Interpretation: The net charge on alanine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

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Answer 4

Question

Chapter 20, Problem 20.52EP

(a)

Interpretation Introduction

Interpretation: The net charge on arginine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(b)

Interpretation Introduction

Interpretation: The net charge on glutamic acid in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(c)

Interpretation Introduction

Interpretation: The net charge on glutamine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(d)

Interpretation Introduction

Interpretation: The net charge on alanine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

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Answer 5

Chapter 20, Problem 20.52EP

(a)

Interpretation Introduction

Interpretation: The net charge on arginine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(b)

Interpretation Introduction

Interpretation: The net charge on glutamic acid in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(c)

Interpretation Introduction

Interpretation: The net charge on glutamine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

(d)

Interpretation Introduction

Interpretation: The net charge on alanine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 6

Chapter 20, Problem 20.52EP

(a)

Interpretation Introduction

Interpretation: The net charge on arginine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 7

Chapter 20, Problem 20.52EP

(a)

Interpretation Introduction

Interpretation: The net charge on arginine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 8

(b)

Interpretation Introduction

Interpretation: The net charge on glutamic acid in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 9

(b)

Interpretation Introduction

Interpretation: The net charge on glutamic acid in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 10

(c)

Interpretation Introduction

Interpretation: The net charge on glutamine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 11

(c)

Interpretation Introduction

Interpretation: The net charge on glutamine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 12

(d)

Interpretation Introduction

Interpretation: The net charge on alanine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 13

(d)

Interpretation Introduction

Interpretation: The net charge on alanine in a high-pH aqueous solution has to be predicted.

Concept introduction: In the solid state and also in solution, α-amino acids exist as zwitterions. The structure of zwitter ions changes as the pH of the solution changes. In acidic solutions, the −COO− part of the zwitter ion accepts a proton and results in the formation of a positively charged ion. In basic solutions, the −N+H3 part of the zwitter ion loses a proton and results in the formation of a negatively charged species.

Answer 14

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Answer 16

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Answer 17

Ch. 20.1 - Prob. 1QQ Ch. 20.1 - Proteins are naturally occurring unbranched...Ch. 20.2 - Prob. 1QQ Ch. 20.2 - How do the various standard amino acids differ...Ch. 20.2 - The number of carboxyl groups and amino groups...Ch. 20.2 - How many different subclassifications are there...Ch. 20.2 - Which of the following statements concerning...Ch. 20.3 - Prob. 1QQ Ch. 20.3 - Proteins from plant sources are a. always complete...Ch. 20.3 - Prob. 3QQ

Solution Summary: The author explains that the net charge on arginine in a high- pH solution has to be predicted.

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