(a) Interpretation: If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined. Concept Introduction: A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

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Answer 1

Question

Chapter 25, Problem 23P

Interpretation Introduction

(a) Interpretation:

If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(b) Interpretation:

A transfer RNA (tRNA) anticodon which can translate the nonsense UAA triplet should be identified.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(c) Interpretation:

The other amino acids which could be encoded by the mutant transfer RNA should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

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Answer 2

Question

Chapter 25, Problem 23P

Interpretation Introduction

(a) Interpretation:

If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(b) Interpretation:

A transfer RNA (tRNA) anticodon which can translate the nonsense UAA triplet should be identified.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(c) Interpretation:

The other amino acids which could be encoded by the mutant transfer RNA should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

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Answer 3

Question

Chapter 25, Problem 23P

Interpretation Introduction

(a) Interpretation:

If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(b) Interpretation:

A transfer RNA (tRNA) anticodon which can translate the nonsense UAA triplet should be identified.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(c) Interpretation:

The other amino acids which could be encoded by the mutant transfer RNA should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

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Answer 4

Question

Chapter 25, Problem 23P

Interpretation Introduction

(a) Interpretation:

If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(b) Interpretation:

A transfer RNA (tRNA) anticodon which can translate the nonsense UAA triplet should be identified.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(c) Interpretation:

The other amino acids which could be encoded by the mutant transfer RNA should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

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Answer 5

Chapter 25, Problem 23P

Interpretation Introduction

(a) Interpretation:

If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(b) Interpretation:

A transfer RNA (tRNA) anticodon which can translate the nonsense UAA triplet should be identified.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Interpretation Introduction

(c) Interpretation:

The other amino acids which could be encoded by the mutant transfer RNA should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Answer 6

Chapter 25, Problem 23P

Interpretation Introduction

(a) Interpretation:

If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Answer 7

Chapter 25, Problem 23P

Interpretation Introduction

(a) Interpretation:

If a gene underwent a mutation that changed a GAA codon to UAA codon, the amino acid encoded by the original triplet should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Answer 8

Interpretation Introduction

(b) Interpretation:

A transfer RNA (tRNA) anticodon which can translate the nonsense UAA triplet should be identified.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Answer 9

Interpretation Introduction

(b) Interpretation:

A transfer RNA (tRNA) anticodon which can translate the nonsense UAA triplet should be identified.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Answer 10

Interpretation Introduction

(c) Interpretation:

The other amino acids which could be encoded by the mutant transfer RNA should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Answer 11

Interpretation Introduction

(c) Interpretation:

The other amino acids which could be encoded by the mutant transfer RNA should be determined.

Concept Introduction:

A mutation is referred to as nonsense mutation where the codon for a specific amino acid has been changed to stop the codon and this leads to the termination of the translation process of the polypeptide chain.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 25 - Prob. 1P Ch. 25 - Prob. 2P Ch. 25 - Prob. 3P Ch. 25 - Prob. 4P Ch. 25 - Prob. 5P Ch. 25 - Prob. 6P Ch. 25 - Prob. 7P Ch. 25 - The E site may not require codon recognition. Why?Ch. 25 - Prob. 9P Ch. 25 - Prob. 10P

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