The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring. Concept Introduction : Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

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Answer 1

Question

Chapter 26, Problem 1P

Interpretation Introduction

Interpretation:

The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring.

Concept Introduction:

Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

Expert Solution & Answer

Explanation of Solution

Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms. In this structure, carbon-2 and carbon-8 are obtained from N¹⁰ -formyl −H₄folate and nitrogen-3 and nitrogen-9 are obtained from glutamine. There is no metabolic relation between purine and pyrimidines. Purine and Pyrimidines both have a different process for the synthesis and for the degradation. These both process of degradation and synthesis occur in all organisms. Structure of the purine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 1

Pyrimidine is a six-membered single ring structure. It has two nitrogen and four carbon atoms. Nitrogen-3 and carbon-2 are obtained from carbamoyl phosphate. Carbon-4,5,6 and nitrogen-1 are obtained from aspartate. Structure for the pyrimidine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 2

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The reaction A+B → C + D AG°' = -7.3 kcal/mol can be coupled with which of the following unfavorable reactions to drive it forward? A. EFG+HAG° = 5.6 kcal/mol. B. J+KZ+A AG° = 2.3 kcal/mol. C. P+RY+DAG° = 8.2 kcal/mol. D. C + T → V + W AG°' = -5.9 kcal/mol. E. AN→ Q+KAG°' = 4.3 kcal/mol.

Answer 2

Question

Chapter 26, Problem 1P

Interpretation Introduction

Interpretation:

The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring.

Concept Introduction:

Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

Expert Solution & Answer

Explanation of Solution

Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms. In this structure, carbon-2 and carbon-8 are obtained from N¹⁰ -formyl −H₄folate and nitrogen-3 and nitrogen-9 are obtained from glutamine. There is no metabolic relation between purine and pyrimidines. Purine and Pyrimidines both have a different process for the synthesis and for the degradation. These both process of degradation and synthesis occur in all organisms. Structure of the purine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 1

Pyrimidine is a six-membered single ring structure. It has two nitrogen and four carbon atoms. Nitrogen-3 and carbon-2 are obtained from carbamoyl phosphate. Carbon-4,5,6 and nitrogen-1 are obtained from aspartate. Structure for the pyrimidine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 2

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Answer 3

Question

Chapter 26, Problem 1P

Interpretation Introduction

Interpretation:

The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring.

Concept Introduction:

Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

Expert Solution & Answer

Explanation of Solution

Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms. In this structure, carbon-2 and carbon-8 are obtained from N¹⁰ -formyl −H₄folate and nitrogen-3 and nitrogen-9 are obtained from glutamine. There is no metabolic relation between purine and pyrimidines. Purine and Pyrimidines both have a different process for the synthesis and for the degradation. These both process of degradation and synthesis occur in all organisms. Structure of the purine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 1

Pyrimidine is a six-membered single ring structure. It has two nitrogen and four carbon atoms. Nitrogen-3 and carbon-2 are obtained from carbamoyl phosphate. Carbon-4,5,6 and nitrogen-1 are obtained from aspartate. Structure for the pyrimidine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 2

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Answer 4

Question

Chapter 26, Problem 1P

Interpretation Introduction

Interpretation:

The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring.

Concept Introduction:

Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

Expert Solution & Answer

Explanation of Solution

Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms. In this structure, carbon-2 and carbon-8 are obtained from N¹⁰ -formyl −H₄folate and nitrogen-3 and nitrogen-9 are obtained from glutamine. There is no metabolic relation between purine and pyrimidines. Purine and Pyrimidines both have a different process for the synthesis and for the degradation. These both process of degradation and synthesis occur in all organisms. Structure of the purine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 1

Pyrimidine is a six-membered single ring structure. It has two nitrogen and four carbon atoms. Nitrogen-3 and carbon-2 are obtained from carbamoyl phosphate. Carbon-4,5,6 and nitrogen-1 are obtained from aspartate. Structure for the pyrimidine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 2

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Answer 5

Chapter 26, Problem 1P

Interpretation Introduction

Interpretation:

The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring.

Concept Introduction:

Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

Expert Solution & Answer

Explanation of Solution

Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms. In this structure, carbon-2 and carbon-8 are obtained from N¹⁰ -formyl −H₄folate and nitrogen-3 and nitrogen-9 are obtained from glutamine. There is no metabolic relation between purine and pyrimidines. Purine and Pyrimidines both have a different process for the synthesis and for the degradation. These both process of degradation and synthesis occur in all organisms. Structure of the purine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 1

Pyrimidine is a six-membered single ring structure. It has two nitrogen and four carbon atoms. Nitrogen-3 and carbon-2 are obtained from carbamoyl phosphate. Carbon-4,5,6 and nitrogen-1 are obtained from aspartate. Structure for the pyrimidine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 2

Answer 6

Chapter 26, Problem 1P

Interpretation Introduction

Interpretation:

The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring.

Concept Introduction:

Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

Expert Solution & Answer

Explanation of Solution

Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms. In this structure, carbon-2 and carbon-8 are obtained from N¹⁰ -formyl −H₄folate and nitrogen-3 and nitrogen-9 are obtained from glutamine. There is no metabolic relation between purine and pyrimidines. Purine and Pyrimidines both have a different process for the synthesis and for the degradation. These both process of degradation and synthesis occur in all organisms. Structure of the purine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 1

Pyrimidine is a six-membered single ring structure. It has two nitrogen and four carbon atoms. Nitrogen-3 and carbon-2 are obtained from carbamoyl phosphate. Carbon-4,5,6 and nitrogen-1 are obtained from aspartate. Structure for the pyrimidine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 2

Answer 7

Chapter 26, Problem 1P

Interpretation Introduction

Interpretation:

The purine and pyrimidine ring structures should be drawn demonstrating the metabolic sources of all the atoms in the ring.

Concept Introduction:

Heterocyclic aromatic organic compound purine has a pyrimidine ring fused to an imidazole ring. Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms, whereas pyrimidine is a six-membered single ring structure.

Answer 8

Expert Solution & Answer

Explanation of Solution

Purine is represented in a double-ring structure which has four-nitrogen and five-carbon atoms. In this structure, carbon-2 and carbon-8 are obtained from N¹⁰ -formyl −H₄folate and nitrogen-3 and nitrogen-9 are obtained from glutamine. There is no metabolic relation between purine and pyrimidines. Purine and Pyrimidines both have a different process for the synthesis and for the degradation. These both process of degradation and synthesis occur in all organisms. Structure of the purine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 1

Pyrimidine is a six-membered single ring structure. It has two nitrogen and four carbon atoms. Nitrogen-3 and carbon-2 are obtained from carbamoyl phosphate. Carbon-4,5,6 and nitrogen-1 are obtained from aspartate. Structure for the pyrimidine is given below-

EBK BIOCHEMISTRY, Chapter 26, Problem 1P , additional homework tip 2

Answer 9

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Answer 10

Expert Solution & Answer

Answer 11

Ch. 26 - Prob. 1P Ch. 26 - Prob. 2P Ch. 26 - Allosteric Regulation of Purine and Pyrimidine...Ch. 26 - Inhibition of Purine and Pyrimidine Metabolism by...Ch. 26 - Prob. 5P Ch. 26 - Allosteric Regulation of Ribonucleotide Reductase...Ch. 26 - Prob. 7P Ch. 26 - Prob. 8P Ch. 26 - Prob. 9P Ch. 26 - Prob. 10P

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Chapter 26 Solutions