The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen. Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

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Answer 1

Question

Chapter 5.3, Problem 1CC

Summary Introduction

To explain: The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen.

Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

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Explain why spontaneous phospholipid translocation (themovement of a molecule from one leaflet of a bilayer to theother) is so slow.

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Answer 2

Question

Chapter 5.3, Problem 1CC

Summary Introduction

To explain: The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen.

Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

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Answer 3

Question

Chapter 5.3, Problem 1CC

Summary Introduction

To explain: The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen.

Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

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Answer 4

Question

Chapter 5.3, Problem 1CC

Summary Introduction

To explain: The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen.

Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

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Answer 5

Chapter 5.3, Problem 1CC

Summary Introduction

To explain: The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen.

Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

Answer 6

Chapter 5.3, Problem 1CC

Summary Introduction

To explain: The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen.

Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

Answer 7

Chapter 5.3, Problem 1CC

Summary Introduction

To explain: The process of the transfer of phospholipids to the leaflet of the ER membrane facing towards the ER lumen.

Introduction: The phospholipid bilayer is formed in a particular arrangement where its hydrophobic ends are away from the aqueous medium. The phospholipids have their polar hydrophilic head towards the outward side while hiding the hydrophobic parts in between. This configuration is energetically favorable and hence aids to the stability of the membrane.

Answer 8

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Answer 11

Ch. 5.1 - Prob. 1CC Ch. 5.2 - Prob. 1CC Ch. 5.2 - Prob. 2CC Ch. 5.2 - Prob. 1BC Ch. 5.3 - Prob. 1CC Ch. 5.3 - Prob. 2CC Ch. 5.4 - Prob. 1BC Ch. 5.4 - Which molecule would you expect to pass through a...Ch. 5.4 - Prob. 2BC Ch. 5.4 - Lets suppose the inside of a cell has a solute...

Solution Summary: The author explains the process of transferring phospholipids to the leaflet of the ER membrane facing towards the lumen by the enzymes flippases.

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