To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false. Introduction: Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

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Answer 1

Question

Chapter 3, Problem 1P

Summary Introduction

To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false.

Introduction:

Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

Expert Solution & Answer

Answer to Problem 1P

Correct answer: The statement is true.

Explanation of Solution

The β-sheet is a secondary structure of the protein. This is formed by hydrogen bonding between the N-H and C=O groups in the polypeptide backbone. It can be arranged in a helical pattern to form helix. The axial distance between two amino acids in beta sheet is 3.5 Å. There are two amino acids repeat unit which give β strand a 7 Å pitch.

Hence, the statement is true.

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Answer 2

Question

Chapter 3, Problem 1P

Summary Introduction

To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false.

Introduction:

Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

Expert Solution & Answer

Answer to Problem 1P

Correct answer: The statement is true.

Explanation of Solution

The β-sheet is a secondary structure of the protein. This is formed by hydrogen bonding between the N-H and C=O groups in the polypeptide backbone. It can be arranged in a helical pattern to form helix. The axial distance between two amino acids in beta sheet is 3.5 Å. There are two amino acids repeat unit which give β strand a 7 Å pitch.

Hence, the statement is true.

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Answer 3

Question

Chapter 3, Problem 1P

Summary Introduction

To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false.

Introduction:

Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

Expert Solution & Answer

Answer to Problem 1P

Correct answer: The statement is true.

Explanation of Solution

The β-sheet is a secondary structure of the protein. This is formed by hydrogen bonding between the N-H and C=O groups in the polypeptide backbone. It can be arranged in a helical pattern to form helix. The axial distance between two amino acids in beta sheet is 3.5 Å. There are two amino acids repeat unit which give β strand a 7 Å pitch.

Hence, the statement is true.

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Answer 4

Question

Chapter 3, Problem 1P

Summary Introduction

To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false.

Introduction:

Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

Expert Solution & Answer

Answer to Problem 1P

Correct answer: The statement is true.

Explanation of Solution

The β-sheet is a secondary structure of the protein. This is formed by hydrogen bonding between the N-H and C=O groups in the polypeptide backbone. It can be arranged in a helical pattern to form helix. The axial distance between two amino acids in beta sheet is 3.5 Å. There are two amino acids repeat unit which give β strand a 7 Å pitch.

Hence, the statement is true.

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Answer 5

Chapter 3, Problem 1P

Summary Introduction

To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false.

Introduction:

Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

Expert Solution & Answer

Answer to Problem 1P

Correct answer: The statement is true.

Explanation of Solution

The β-sheet is a secondary structure of the protein. This is formed by hydrogen bonding between the N-H and C=O groups in the polypeptide backbone. It can be arranged in a helical pattern to form helix. The axial distance between two amino acids in beta sheet is 3.5 Å. There are two amino acids repeat unit which give β strand a 7 Å pitch.

Hence, the statement is true.

Answer 6

Chapter 3, Problem 1P

Summary Introduction

To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false.

Introduction:

Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

Expert Solution & Answer

Answer to Problem 1P

Correct answer: The statement is true.

Explanation of Solution

The β-sheet is a secondary structure of the protein. This is formed by hydrogen bonding between the N-H and C=O groups in the polypeptide backbone. It can be arranged in a helical pattern to form helix. The axial distance between two amino acids in beta sheet is 3.5 Å. There are two amino acids repeat unit which give β strand a 7 Å pitch.

Hence, the statement is true.

Answer 7

Chapter 3, Problem 1P

Summary Introduction

To examine: Whether the statement “Each strand in a β sheet is a helix with two amino acids per turn” is true or false.

Introduction:

Proteins consist of a chain of amino acids called polypeptide. There are 20 different amino acids in proteins which are coded by organisms’ DNA. Protein structure is considered to contain four structural level: primary, secondary, tertiary structure, and quaternary structures.

Answer 8

Expert Solution & Answer

Answer to Problem 1P

Correct answer: The statement is true.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

The β-sheet is a secondary structure of the protein. This is formed by hydrogen bonding between the N-H and C=O groups in the polypeptide backbone. It can be arranged in a helical pattern to form helix. The axial distance between two amino acids in beta sheet is 3.5 Å. There are two amino acids repeat unit which give β strand a 7 Å pitch.

Hence, the statement is true.

Answer 12

Ch. 3 - Prob. 1P Ch. 3 - Prob. 2P Ch. 3 - Prob. 3P Ch. 3 - Prob. 4P Ch. 3 - Prob. 5P Ch. 3 - Prob. 6P Ch. 3 - Prob. 7P Ch. 3 - Prob. 8P Ch. 3 - Prob. 9P Ch. 3 - Prob. 10P

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