The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated. Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

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Answer 1

Question

Chapter 20, Problem 20.104EP

(a)

Interpretation Introduction

Interpretation: The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

(b)

Interpretation Introduction

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

(c)

Interpretation Introduction

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

(d)

Interpretation Introduction

Interpretation: The electrostatic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The electrostatic interaction exists between the acidic R group of an amino acid and the basic R group of the other amino acid. The acidic side chain becomes negatively charged and the basic side chain becomes positively charge at an apt pH.

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Answer 2

Question

Chapter 20, Problem 20.104EP

(a)

Interpretation Introduction

Interpretation: The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

(b)

Interpretation Introduction

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

(c)

Interpretation Introduction

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

(d)

Interpretation Introduction

Interpretation: The electrostatic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The electrostatic interaction exists between the acidic R group of an amino acid and the basic R group of the other amino acid. The acidic side chain becomes negatively charged and the basic side chain becomes positively charge at an apt pH.

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Answer 3

Question

Chapter 20, Problem 20.104EP

(a)

Interpretation Introduction

Interpretation: The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

(b)

Interpretation Introduction

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

(c)

Interpretation Introduction

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

(d)

Interpretation Introduction

Interpretation: The electrostatic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The electrostatic interaction exists between the acidic R group of an amino acid and the basic R group of the other amino acid. The acidic side chain becomes negatively charged and the basic side chain becomes positively charge at an apt pH.

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Answer 4

Question

Chapter 20, Problem 20.104EP

(a)

Interpretation Introduction

Interpretation: The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

(b)

Interpretation Introduction

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

(c)

Interpretation Introduction

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

(d)

Interpretation Introduction

Interpretation: The electrostatic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The electrostatic interaction exists between the acidic R group of an amino acid and the basic R group of the other amino acid. The acidic side chain becomes negatively charged and the basic side chain becomes positively charge at an apt pH.

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Answer 5

Chapter 20, Problem 20.104EP

(a)

Interpretation Introduction

Interpretation: The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

(b)

Interpretation Introduction

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

(c)

Interpretation Introduction

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

(d)

Interpretation Introduction

Interpretation: The electrostatic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The electrostatic interaction exists between the acidic R group of an amino acid and the basic R group of the other amino acid. The acidic side chain becomes negatively charged and the basic side chain becomes positively charge at an apt pH.

Answer 6

Chapter 20, Problem 20.104EP

(a)

Interpretation Introduction

Interpretation: The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

Answer 7

Chapter 20, Problem 20.104EP

(a)

Interpretation Introduction

Interpretation: The hydrophobic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrophobic interaction exists between the nonpolar R groups of the amino acids. In aqueous solvent, the nonpolar side chains of the amino acids point inwards, that is away from the polar water molecules.

Answer 8

(b)

Interpretation Introduction

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

Answer 9

(b)

Interpretation Introduction

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

Answer 10

(c)

Interpretation Introduction

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

Answer 11

(c)

Interpretation Introduction

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

Answer 12

(d)

Interpretation Introduction

Interpretation: The electrostatic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The electrostatic interaction exists between the acidic R group of an amino acid and the basic R group of the other amino acid. The acidic side chain becomes negatively charged and the basic side chain becomes positively charge at an apt pH.

Answer 13

(d)

Interpretation Introduction

Interpretation: The electrostatic interaction is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The electrostatic interaction exists between the acidic R group of an amino acid and the basic R group of the other amino acid. The acidic side chain becomes negatively charged and the basic side chain becomes positively charge at an apt pH.

Answer 14

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Answer 15

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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 hydrophobic interaction exists between the nonpolar R groups of the amino acids. The disulphide bond is a covalent bond.

Concept explainers

Videos

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

Want to see the full answer?

Chapter 20 Solutions

Solution Summary: The author explains that the hydrophobic interaction exists between the nonpolar R groups of the amino acids. The disulphide bond is a covalent bond.

Concept explainers

Videos

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated. Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated. Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.

Want to see the full answer?

Chapter 20 Solutions

Interpretation: The hydrogen bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The hydrogen bond exists between the polar R groups of the amino acids. Different polar side chains, mostly that have a functional group can involve in hydrogen bonding.

Interpretation: The disulphide bond is whether a covalent bond or noncovalent interaction has to be stated.

Concept introduction: The disulphide bond exists between the SH groups of two cysteine amino acids. It is the strongest interaction out of the other four interactions.