Identify whether the + H 3 N–CH 2 –COO - partition occurs in water or palmitic acid micelles. Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

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Answer 1

Question

Chapter 2, Problem 5E

(a)

Summary Introduction

To explain: Identify whether the ⁺H₃N–CH₂–COO^- partition occurs in water or palmitic acid micelles.

Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

(b)

Summary Introduction

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.

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Answer 2

Question

Chapter 2, Problem 5E

(a)

Summary Introduction

To explain: Identify whether the ⁺H₃N–CH₂–COO^- partition occurs in water or palmitic acid micelles.

Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

(b)

Summary Introduction

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.

Expert Solution & Answer

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Answer 3

Question

Chapter 2, Problem 5E

(a)

Summary Introduction

To explain: Identify whether the ⁺H₃N–CH₂–COO^- partition occurs in water or palmitic acid micelles.

Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

(b)

Summary Introduction

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.

Expert Solution & Answer

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Answer 4

Question

Chapter 2, Problem 5E

(a)

Summary Introduction

To explain: Identify whether the ⁺H₃N–CH₂–COO^- partition occurs in water or palmitic acid micelles.

Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

(b)

Summary Introduction

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.

Expert Solution & Answer

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Answer 5

Chapter 2, Problem 5E

(a)

Summary Introduction

To explain: Identify whether the ⁺H₃N–CH₂–COO^- partition occurs in water or palmitic acid micelles.

Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

(b)

Summary Introduction

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.

Answer 6

Chapter 2, Problem 5E

(a)

Summary Introduction

To explain: Identify whether the ⁺H₃N–CH₂–COO^- partition occurs in water or palmitic acid micelles.

Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

Answer 7

Chapter 2, Problem 5E

(a)

Summary Introduction

To explain: Identify whether the ⁺H₃N–CH₂–COO^- partition occurs in water or palmitic acid micelles.

Concept introduction: Most biological molecules have both charged (polar) and uncharged (non-polar) segments and are therefore simultaneously hydrophilic and hydrophobic. Water has a propensity to hydrate the hydrophilic segment of an amphiphile, but it also tends to eliminate the hydrophobic segment. Micelles are globules in which the hydrophobic groups are present in the central portion, away from the solvent, and hydrophilic groups are arranged at the surface directed toward the aqueous solution.

Answer 8

(b)

Summary Introduction

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.

Answer 9

(b)

Summary Introduction

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 2 - Prob. 1E Ch. 2 - 2. Rank the water solubility of the following...Ch. 2 - 3. Approximately how many molecules of H2O are in...Ch. 2 - 4. An E. coli cell contains about 2.6 × 108 ions,...Ch. 2 - Prob. 5E Ch. 2 - Prob. 6E Ch. 2 - 7. Describe what happens when a dialysis ban...Ch. 2 - 8. A red blood cell his an internal salt...Ch. 2 - 9. Draw the structures of the conjugate bases of...Ch. 2 - Prob. 10E

To explain: Identify whether the +H3N–(CH2)11–COO- partition occurs in water or palmitic acid micelles.

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Chapter 2 Solutions

To explain: Identify whether the ⁺H₃N–(CH₂)₁₁–COO^- partition occurs in water or palmitic acid micelles.