The net charge on oxytocin at pH = 7 is to be determined. Concept Introduction: The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

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Answer 1

Question

Chapter 26.7, Problem 16P

Interpretation Introduction

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

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(b) Describe how the charge of some amino groups in a protein might differ at pH 9.0 and pH 5.0. the charge on the amino group will differ at pH 5 and pH 9 which will depend on the pKa of the amino acid. (c) Describe how the charge of some carboxyl groups in a protein might differ at pH 9.0 and pH 5.0. charge on carboxyl group will differ at pH 5 and pH 9 which will depend on the pKa of the amino acid. (d) Given your answers to parts (b) and (c), what kind of intramolecular interactions in beta-galactosidase are most likely to be affected by a change in pH from 9.0 to 5.0? (e) Could the interactions you mention in part (d) affect the catalytic activity of beta-galactosidase?

4b) Canavanine is closely related to arginine, and like arginine its side group has a +1 charge when protonated. If you dissolved canavanine in an aqueous solution at pH 10, what would the net charge on a molecule of canavanine be? Please show your work or make it clear how you determined the charge contribution from each ionizable group.

Draw the structure of alanine in a solution at pH = 0

Answer 2

Question

Chapter 26.7, Problem 16P

Interpretation Introduction

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 26.7, Problem 16P

Interpretation Introduction

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Expert Solution & Answer

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Answer 4

Question

Chapter 26.7, Problem 16P

Interpretation Introduction

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Expert Solution & Answer

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See solution

Answer 5

Chapter 26.7, Problem 16P

Interpretation Introduction

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Answer 6

Chapter 26.7, Problem 16P

Interpretation Introduction

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Answer 7

Chapter 26.7, Problem 16P

Interpretation Introduction

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Answer 8

Expert Solution & Answer

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

Ch. 26.1 - Prob. 1P Ch. 26.2 - Prob. 2P Ch. 26.2 - Prob. 3P Ch. 26.3 - Prob. 4P Ch. 26.3 - Prob. 5P Ch. 26.4 - Prob. 6P Ch. 26.4 - Prob. 7P Ch. 26.4 - Prob. 8P Ch. 26.5 - Prob. 9P Ch. 26.6 - Prob. 10P

The net charge on oxytocin at pH = 7 is to be determined. Concept Introduction: The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Solution Summary: The author explains that the net charge on oxytocin at pH = 7 is +1.

Concept explainers

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

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Chapter 26 Solutions

The net charge on oxytocin at pH = 7 is to be determined. Concept Introduction: The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Solution Summary: The author explains that the net charge on oxytocin at pH = 7 is +1.

Concept explainers

Interpretation: The net charge on oxytocin at pH = 7 is to be determined. Concept Introduction: The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.

Want to see the full answer?

Chapter 26 Solutions

Interpretation:

The net charge on oxytocin at pH = 7 is to be determined.

Concept Introduction:

The carboxyl and amine groups in an amino acid can exist in neutral or ionized forms depending on the pH.