The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered. Concept introduction: If NH 2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH 2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

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Answer 1

Question

Chapter 9, Problem 9.39EP

(a)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered.

Concept introduction: If NH2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

(b)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a polar amino acid or a nonpolar amino acid has to be answered.

Concept introduction: The amino acid that has one amine group, one carboxyl group and nonpolar side chain is called non-polar amino acid.

The amino acid that has one amine group, one carboxyl group and polar side chain is called polar amino acid.

(c)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

(d)

Interpretation Introduction

Interpretation: The validation about the given amino acid being an essential amino acid or a non-essential amino acid has to be answered.

Concept introduction: The standard amino acids that are required for the protein synthesis are called essential amino acids. The human body cannot synthesise these standard amino acids in sufficient amounts and should be included in the diet.

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Answer 2

Question

Chapter 9, Problem 9.39EP

(a)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered.

Concept introduction: If NH2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

(b)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a polar amino acid or a nonpolar amino acid has to be answered.

Concept introduction: The amino acid that has one amine group, one carboxyl group and nonpolar side chain is called non-polar amino acid.

The amino acid that has one amine group, one carboxyl group and polar side chain is called polar amino acid.

(c)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

(d)

Interpretation Introduction

Interpretation: The validation about the given amino acid being an essential amino acid or a non-essential amino acid has to be answered.

Concept introduction: The standard amino acids that are required for the protein synthesis are called essential amino acids. The human body cannot synthesise these standard amino acids in sufficient amounts and should be included in the diet.

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Answer 3

Question

Chapter 9, Problem 9.39EP

(a)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered.

Concept introduction: If NH2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

(b)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a polar amino acid or a nonpolar amino acid has to be answered.

Concept introduction: The amino acid that has one amine group, one carboxyl group and nonpolar side chain is called non-polar amino acid.

The amino acid that has one amine group, one carboxyl group and polar side chain is called polar amino acid.

(c)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

(d)

Interpretation Introduction

Interpretation: The validation about the given amino acid being an essential amino acid or a non-essential amino acid has to be answered.

Concept introduction: The standard amino acids that are required for the protein synthesis are called essential amino acids. The human body cannot synthesise these standard amino acids in sufficient amounts and should be included in the diet.

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Answer 4

Question

Chapter 9, Problem 9.39EP

(a)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered.

Concept introduction: If NH2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

(b)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a polar amino acid or a nonpolar amino acid has to be answered.

Concept introduction: The amino acid that has one amine group, one carboxyl group and nonpolar side chain is called non-polar amino acid.

The amino acid that has one amine group, one carboxyl group and polar side chain is called polar amino acid.

(c)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

(d)

Interpretation Introduction

Interpretation: The validation about the given amino acid being an essential amino acid or a non-essential amino acid has to be answered.

Concept introduction: The standard amino acids that are required for the protein synthesis are called essential amino acids. The human body cannot synthesise these standard amino acids in sufficient amounts and should be included in the diet.

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Answer 5

Chapter 9, Problem 9.39EP

(a)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered.

Concept introduction: If NH2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

(b)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a polar amino acid or a nonpolar amino acid has to be answered.

Concept introduction: The amino acid that has one amine group, one carboxyl group and nonpolar side chain is called non-polar amino acid.

The amino acid that has one amine group, one carboxyl group and polar side chain is called polar amino acid.

(c)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

(d)

Interpretation Introduction

Interpretation: The validation about the given amino acid being an essential amino acid or a non-essential amino acid has to be answered.

Concept introduction: The standard amino acids that are required for the protein synthesis are called essential amino acids. The human body cannot synthesise these standard amino acids in sufficient amounts and should be included in the diet.

Answer 6

Chapter 9, Problem 9.39EP

(a)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered.

Concept introduction: If NH2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

Answer 7

Chapter 9, Problem 9.39EP

(a)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a D-amino acid or an L-amino acid has to be answered.

Concept introduction: If NH2 is placed on the right side of the horizontal line in the fisher projection formula of an amino acid, it is a D-isomer. If NH2 is placed on the left side of the horizontal line in the fisher projection formula of an amino acid, then it is a L-isomer.

Answer 8

(b)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a polar amino acid or a nonpolar amino acid has to be answered.

Concept introduction: The amino acid that has one amine group, one carboxyl group and nonpolar side chain is called non-polar amino acid.

The amino acid that has one amine group, one carboxyl group and polar side chain is called polar amino acid.

Answer 9

(b)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a polar amino acid or a nonpolar amino acid has to be answered.

Concept introduction: The amino acid that has one amine group, one carboxyl group and nonpolar side chain is called non-polar amino acid.

The amino acid that has one amine group, one carboxyl group and polar side chain is called polar amino acid.

Answer 10

(c)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

Answer 11

(c)

Interpretation Introduction

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

Answer 12

(d)

Interpretation Introduction

Interpretation: The validation about the given amino acid being an essential amino acid or a non-essential amino acid has to be answered.

Concept introduction: The standard amino acids that are required for the protein synthesis are called essential amino acids. The human body cannot synthesise these standard amino acids in sufficient amounts and should be included in the diet.

Answer 13

(d)

Interpretation Introduction

Interpretation: The validation about the given amino acid being an essential amino acid or a non-essential amino acid has to be answered.

Concept introduction: The standard amino acids that are required for the protein synthesis are called essential amino acids. The human body cannot synthesise these standard amino acids in sufficient amounts and should be included in the diet.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 9.1 - Prob. 1QQ Ch. 9.1 - Proteins are naturally occurring unbranched...Ch. 9.2 - Prob. 1QQ Ch. 9.2 - How do the various standard amino acids differ...Ch. 9.2 - The number of carboxyl groups and amino groups...Ch. 9.2 - How many different subclassifications are there...Ch. 9.2 - Which of the following statements concerning...Ch. 9.3 - Prob. 1QQ Ch. 9.3 - Proteins from plant sources are a. always complete...Ch. 9.3 - Incomplete dietary proteins contain inadequate...

Solution Summary: The author explains that the validation about the given amino acid being a D- or L-amino acid has to be answered.

Concept explainers

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Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

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Chapter 9 Solutions

Solution Summary: The author explains that the validation about the given amino acid being a D- or L-amino acid has to be answered.

Concept explainers

Videos

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered. Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.

Want to see the full answer?

Chapter 9 Solutions

Interpretation: The validation about the given amino acid being a standard or a nonstandard amino acid has to be answered.

Concept introduction: The amino acids that are found in proteins are called standard amino acids. There are 20 standard amino acids.