The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease. Introduction : Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

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Answer 1

Question

Chapter 9, Problem 16DAP

(a)

Summary Introduction

To explain: The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease.

Introduction:

Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

(b)

Summary Introduction

To explain: The reason for the enzyme being an endonuclease or an exonuclease based on the experiment conducted.

Introduction:

Nucleases are of two types: endonuclease and exonuclease. Exonuclease cut the DNA and removes nucleotides one at a time and it cleaves the DNA at the terminals on the other hand; endonuclease cleaves the DNA from the middle of the strand.

(c)

Summary Introduction

To explain: The reason behind the nuclease cleavage that leaves the phosphate on the 5ʹ or the 3ʹ end of the DNA fragments.

Introduction:

The nuclease is responsible for breaking the phosphodiester bonds and removing the phosphate group. On the other hand, kinase is responsible for the attachment of phosphate group and the process is known as phosphorylation.

(d)

Summary Introduction

To determine: The consistency of results formed by the cleavage of T7 DNA by nuclease with the enzyme recognizing a specific sequence in DNA as opposed in making the double strand breaks randomly.

Introduction:

The organisms suffer double-strand breaks (DSBs) in their DNA due to the exposure with the ionizing radiations. DSBs can also occur when replication forks find DNA lesions or repair intermediates.

(e)

Summary Introduction

To explain: The type of model which is responsible for the given type of cleavage.

Introduction:

There are two models for creating fragments Random model resulting in random fragments example of such model is double stranded break. The second model is site specific cleavage; example of such cleavage is cleavage by restriction enzyme.

(f)

Summary Introduction

To explain: The recognition sequence of the nuclease and the position at which the DNA fragment is cleaved.

Introduction:

Nuclease breaks the phosphodiester bonds present between the nucleotides. Due to the loss of phosphodiester bonds present between the molecules, the DNA is divided into small fragments.

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You’ve isolated a protein and determined that the Native molecular weight of the holoenzyme is 160 kD using size exclusion chromatography. Analysis of this protein using SDS-PAGE revealed 2 bands, one at 100 kD and one at 30 kD. The enzyme was found to be 0.829% NAD (by weight). What further can be said regarding the structure of the polypeptide?

Answer 2

Question

Chapter 9, Problem 16DAP

(a)

Summary Introduction

To explain: The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease.

Introduction:

Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

(b)

Summary Introduction

To explain: The reason for the enzyme being an endonuclease or an exonuclease based on the experiment conducted.

Introduction:

Nucleases are of two types: endonuclease and exonuclease. Exonuclease cut the DNA and removes nucleotides one at a time and it cleaves the DNA at the terminals on the other hand; endonuclease cleaves the DNA from the middle of the strand.

(c)

Summary Introduction

To explain: The reason behind the nuclease cleavage that leaves the phosphate on the 5ʹ or the 3ʹ end of the DNA fragments.

Introduction:

The nuclease is responsible for breaking the phosphodiester bonds and removing the phosphate group. On the other hand, kinase is responsible for the attachment of phosphate group and the process is known as phosphorylation.

(d)

Summary Introduction

To determine: The consistency of results formed by the cleavage of T7 DNA by nuclease with the enzyme recognizing a specific sequence in DNA as opposed in making the double strand breaks randomly.

Introduction:

The organisms suffer double-strand breaks (DSBs) in their DNA due to the exposure with the ionizing radiations. DSBs can also occur when replication forks find DNA lesions or repair intermediates.

(e)

Summary Introduction

To explain: The type of model which is responsible for the given type of cleavage.

Introduction:

There are two models for creating fragments Random model resulting in random fragments example of such model is double stranded break. The second model is site specific cleavage; example of such cleavage is cleavage by restriction enzyme.

(f)

Summary Introduction

To explain: The recognition sequence of the nuclease and the position at which the DNA fragment is cleaved.

Introduction:

Nuclease breaks the phosphodiester bonds present between the nucleotides. Due to the loss of phosphodiester bonds present between the molecules, the DNA is divided into small fragments.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 9, Problem 16DAP

(a)

Summary Introduction

To explain: The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease.

Introduction:

Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

(b)

Summary Introduction

To explain: The reason for the enzyme being an endonuclease or an exonuclease based on the experiment conducted.

Introduction:

Nucleases are of two types: endonuclease and exonuclease. Exonuclease cut the DNA and removes nucleotides one at a time and it cleaves the DNA at the terminals on the other hand; endonuclease cleaves the DNA from the middle of the strand.

(c)

Summary Introduction

To explain: The reason behind the nuclease cleavage that leaves the phosphate on the 5ʹ or the 3ʹ end of the DNA fragments.

Introduction:

The nuclease is responsible for breaking the phosphodiester bonds and removing the phosphate group. On the other hand, kinase is responsible for the attachment of phosphate group and the process is known as phosphorylation.

(d)

Summary Introduction

To determine: The consistency of results formed by the cleavage of T7 DNA by nuclease with the enzyme recognizing a specific sequence in DNA as opposed in making the double strand breaks randomly.

Introduction:

The organisms suffer double-strand breaks (DSBs) in their DNA due to the exposure with the ionizing radiations. DSBs can also occur when replication forks find DNA lesions or repair intermediates.

(e)

Summary Introduction

To explain: The type of model which is responsible for the given type of cleavage.

Introduction:

There are two models for creating fragments Random model resulting in random fragments example of such model is double stranded break. The second model is site specific cleavage; example of such cleavage is cleavage by restriction enzyme.

(f)

Summary Introduction

To explain: The recognition sequence of the nuclease and the position at which the DNA fragment is cleaved.

Introduction:

Nuclease breaks the phosphodiester bonds present between the nucleotides. Due to the loss of phosphodiester bonds present between the molecules, the DNA is divided into small fragments.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 9, Problem 16DAP

(a)

Summary Introduction

To explain: The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease.

Introduction:

Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

(b)

Summary Introduction

To explain: The reason for the enzyme being an endonuclease or an exonuclease based on the experiment conducted.

Introduction:

Nucleases are of two types: endonuclease and exonuclease. Exonuclease cut the DNA and removes nucleotides one at a time and it cleaves the DNA at the terminals on the other hand; endonuclease cleaves the DNA from the middle of the strand.

(c)

Summary Introduction

To explain: The reason behind the nuclease cleavage that leaves the phosphate on the 5ʹ or the 3ʹ end of the DNA fragments.

Introduction:

The nuclease is responsible for breaking the phosphodiester bonds and removing the phosphate group. On the other hand, kinase is responsible for the attachment of phosphate group and the process is known as phosphorylation.

(d)

Summary Introduction

To determine: The consistency of results formed by the cleavage of T7 DNA by nuclease with the enzyme recognizing a specific sequence in DNA as opposed in making the double strand breaks randomly.

Introduction:

The organisms suffer double-strand breaks (DSBs) in their DNA due to the exposure with the ionizing radiations. DSBs can also occur when replication forks find DNA lesions or repair intermediates.

(e)

Summary Introduction

To explain: The type of model which is responsible for the given type of cleavage.

Introduction:

There are two models for creating fragments Random model resulting in random fragments example of such model is double stranded break. The second model is site specific cleavage; example of such cleavage is cleavage by restriction enzyme.

(f)

Summary Introduction

To explain: The recognition sequence of the nuclease and the position at which the DNA fragment is cleaved.

Introduction:

Nuclease breaks the phosphodiester bonds present between the nucleotides. Due to the loss of phosphodiester bonds present between the molecules, the DNA is divided into small fragments.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 9, Problem 16DAP

(a)

Summary Introduction

To explain: The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease.

Introduction:

Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

(b)

Summary Introduction

To explain: The reason for the enzyme being an endonuclease or an exonuclease based on the experiment conducted.

Introduction:

Nucleases are of two types: endonuclease and exonuclease. Exonuclease cut the DNA and removes nucleotides one at a time and it cleaves the DNA at the terminals on the other hand; endonuclease cleaves the DNA from the middle of the strand.

(c)

Summary Introduction

To explain: The reason behind the nuclease cleavage that leaves the phosphate on the 5ʹ or the 3ʹ end of the DNA fragments.

Introduction:

The nuclease is responsible for breaking the phosphodiester bonds and removing the phosphate group. On the other hand, kinase is responsible for the attachment of phosphate group and the process is known as phosphorylation.

(d)

Summary Introduction

To determine: The consistency of results formed by the cleavage of T7 DNA by nuclease with the enzyme recognizing a specific sequence in DNA as opposed in making the double strand breaks randomly.

Introduction:

The organisms suffer double-strand breaks (DSBs) in their DNA due to the exposure with the ionizing radiations. DSBs can also occur when replication forks find DNA lesions or repair intermediates.

(e)

Summary Introduction

To explain: The type of model which is responsible for the given type of cleavage.

Introduction:

There are two models for creating fragments Random model resulting in random fragments example of such model is double stranded break. The second model is site specific cleavage; example of such cleavage is cleavage by restriction enzyme.

(f)

Summary Introduction

To explain: The recognition sequence of the nuclease and the position at which the DNA fragment is cleaved.

Introduction:

Nuclease breaks the phosphodiester bonds present between the nucleotides. Due to the loss of phosphodiester bonds present between the molecules, the DNA is divided into small fragments.

Answer 6

Chapter 9, Problem 16DAP

(a)

Summary Introduction

To explain: The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease.

Introduction:

Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

Answer 7

Chapter 9, Problem 16DAP

(a)

Summary Introduction

To explain: The reason behind the decrease in viscosity of a solution of DNA that occurs after treating it with nuclease.

Introduction:

Viscosity is defined as the thickness of a solution. It is due to the bonding between different molecules present inside the solution. Higher is the bonding, greater will be the viscosity.

Answer 8

(b)

Summary Introduction

To explain: The reason for the enzyme being an endonuclease or an exonuclease based on the experiment conducted.

Introduction:

Nucleases are of two types: endonuclease and exonuclease. Exonuclease cut the DNA and removes nucleotides one at a time and it cleaves the DNA at the terminals on the other hand; endonuclease cleaves the DNA from the middle of the strand.

Answer 9

(b)

Summary Introduction

To explain: The reason for the enzyme being an endonuclease or an exonuclease based on the experiment conducted.

Introduction:

Nucleases are of two types: endonuclease and exonuclease. Exonuclease cut the DNA and removes nucleotides one at a time and it cleaves the DNA at the terminals on the other hand; endonuclease cleaves the DNA from the middle of the strand.

Answer 10

(c)

Summary Introduction

To explain: The reason behind the nuclease cleavage that leaves the phosphate on the 5ʹ or the 3ʹ end of the DNA fragments.

Introduction:

The nuclease is responsible for breaking the phosphodiester bonds and removing the phosphate group. On the other hand, kinase is responsible for the attachment of phosphate group and the process is known as phosphorylation.

Answer 11

(c)

Summary Introduction

To explain: The reason behind the nuclease cleavage that leaves the phosphate on the 5ʹ or the 3ʹ end of the DNA fragments.

Introduction:

The nuclease is responsible for breaking the phosphodiester bonds and removing the phosphate group. On the other hand, kinase is responsible for the attachment of phosphate group and the process is known as phosphorylation.

Answer 12

(d)

Summary Introduction

To determine: The consistency of results formed by the cleavage of T7 DNA by nuclease with the enzyme recognizing a specific sequence in DNA as opposed in making the double strand breaks randomly.

Introduction:

The organisms suffer double-strand breaks (DSBs) in their DNA due to the exposure with the ionizing radiations. DSBs can also occur when replication forks find DNA lesions or repair intermediates.

Answer 13

(d)

Summary Introduction

To determine: The consistency of results formed by the cleavage of T7 DNA by nuclease with the enzyme recognizing a specific sequence in DNA as opposed in making the double strand breaks randomly.

Introduction:

The organisms suffer double-strand breaks (DSBs) in their DNA due to the exposure with the ionizing radiations. DSBs can also occur when replication forks find DNA lesions or repair intermediates.

Answer 14

(e)

Summary Introduction

To explain: The type of model which is responsible for the given type of cleavage.

Introduction:

There are two models for creating fragments Random model resulting in random fragments example of such model is double stranded break. The second model is site specific cleavage; example of such cleavage is cleavage by restriction enzyme.

Answer 15

(e)

Summary Introduction

To explain: The type of model which is responsible for the given type of cleavage.

Introduction:

There are two models for creating fragments Random model resulting in random fragments example of such model is double stranded break. The second model is site specific cleavage; example of such cleavage is cleavage by restriction enzyme.

Answer 16

(f)

Summary Introduction

To explain: The recognition sequence of the nuclease and the position at which the DNA fragment is cleaved.

Introduction:

Nuclease breaks the phosphodiester bonds present between the nucleotides. Due to the loss of phosphodiester bonds present between the molecules, the DNA is divided into small fragments.

Answer 17

(f)

Summary Introduction

To explain: The recognition sequence of the nuclease and the position at which the DNA fragment is cleaved.

Introduction:

Nuclease breaks the phosphodiester bonds present between the nucleotides. Due to the loss of phosphodiester bonds present between the molecules, the DNA is divided into small fragments.

Answer 18

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Answer 19

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Answer 20

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Check out a sample textbook solution

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Answer 21

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

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