Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria. Introduction: Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Question

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Answer 1

Question

Chapter 14, Problem 1U

Summary Introduction

To determine:

Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria.

Introduction:

Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Expert Solution & Answer

Answer to Problem 1U

Correct answer:

The key finding from the Griffith’s experiment using live and heat killed pathogenic bacteria was that “genetic material can be transferred from dead to live bacteria”. Therefore option d. is correct.

Explanation of Solution

Reason for the correct statement:

There are different basis of classification of bacteria. One such basis is the virulism of bacteria. On this basis there are two kinds of bacteria. They are normal virulent bacteria and mutant non-virulent bacteria. Griffith in his experiment injected these two forms of bacteria in mouse and observed the result in them. He injected live virulent bacteria into mice and he also injected non virulent and heat-killed virulent bacteria in different mice.

Option d. is given as “genetic material can be transferred from a dead to a live bacteria”.

As, “there can be transference of DNA from a non-living to a living bacterium”, is the correct answer.

Hence option d. is correct.

Reason for the incorrect statements:

Option a. is given as “bacteria with smooth coat killed mice”.

Key finding of the Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with smooth coat killed mice, so it is a wrong answer.

Option b. is given as “bacteria with rough coat are not lethal”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with rough coat are not lethal, so it is a wrong answer.

Option c. is given as “DNA is the genetic material”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that DNA is the genetic material, so it is a wrong answer.

Hence options a., b. and c. are incorrect.

Conclusion

The major finding of Griffith’s experiment is that genetic material can be transferred from a dead to a live bacteria.

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Answer 2

Question

Chapter 14, Problem 1U

Summary Introduction

To determine:

Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria.

Introduction:

Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Expert Solution & Answer

Answer to Problem 1U

Correct answer:

The key finding from the Griffith’s experiment using live and heat killed pathogenic bacteria was that “genetic material can be transferred from dead to live bacteria”. Therefore option d. is correct.

Explanation of Solution

Reason for the correct statement:

There are different basis of classification of bacteria. One such basis is the virulism of bacteria. On this basis there are two kinds of bacteria. They are normal virulent bacteria and mutant non-virulent bacteria. Griffith in his experiment injected these two forms of bacteria in mouse and observed the result in them. He injected live virulent bacteria into mice and he also injected non virulent and heat-killed virulent bacteria in different mice.

Option d. is given as “genetic material can be transferred from a dead to a live bacteria”.

As, “there can be transference of DNA from a non-living to a living bacterium”, is the correct answer.

Hence option d. is correct.

Reason for the incorrect statements:

Option a. is given as “bacteria with smooth coat killed mice”.

Key finding of the Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with smooth coat killed mice, so it is a wrong answer.

Option b. is given as “bacteria with rough coat are not lethal”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with rough coat are not lethal, so it is a wrong answer.

Option c. is given as “DNA is the genetic material”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that DNA is the genetic material, so it is a wrong answer.

Hence options a., b. and c. are incorrect.

Conclusion

The major finding of Griffith’s experiment is that genetic material can be transferred from a dead to a live bacteria.

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Answer 3

Question

Chapter 14, Problem 1U

Summary Introduction

To determine:

Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria.

Introduction:

Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Expert Solution & Answer

Answer to Problem 1U

Correct answer:

The key finding from the Griffith’s experiment using live and heat killed pathogenic bacteria was that “genetic material can be transferred from dead to live bacteria”. Therefore option d. is correct.

Explanation of Solution

Reason for the correct statement:

There are different basis of classification of bacteria. One such basis is the virulism of bacteria. On this basis there are two kinds of bacteria. They are normal virulent bacteria and mutant non-virulent bacteria. Griffith in his experiment injected these two forms of bacteria in mouse and observed the result in them. He injected live virulent bacteria into mice and he also injected non virulent and heat-killed virulent bacteria in different mice.

Option d. is given as “genetic material can be transferred from a dead to a live bacteria”.

As, “there can be transference of DNA from a non-living to a living bacterium”, is the correct answer.

Hence option d. is correct.

Reason for the incorrect statements:

Option a. is given as “bacteria with smooth coat killed mice”.

Key finding of the Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with smooth coat killed mice, so it is a wrong answer.

Option b. is given as “bacteria with rough coat are not lethal”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with rough coat are not lethal, so it is a wrong answer.

Option c. is given as “DNA is the genetic material”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that DNA is the genetic material, so it is a wrong answer.

Hence options a., b. and c. are incorrect.

Conclusion

The major finding of Griffith’s experiment is that genetic material can be transferred from a dead to a live bacteria.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 14, Problem 1U

Summary Introduction

To determine:

Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria.

Introduction:

Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Expert Solution & Answer

Answer to Problem 1U

Correct answer:

The key finding from the Griffith’s experiment using live and heat killed pathogenic bacteria was that “genetic material can be transferred from dead to live bacteria”. Therefore option d. is correct.

Explanation of Solution

Reason for the correct statement:

There are different basis of classification of bacteria. One such basis is the virulism of bacteria. On this basis there are two kinds of bacteria. They are normal virulent bacteria and mutant non-virulent bacteria. Griffith in his experiment injected these two forms of bacteria in mouse and observed the result in them. He injected live virulent bacteria into mice and he also injected non virulent and heat-killed virulent bacteria in different mice.

Option d. is given as “genetic material can be transferred from a dead to a live bacteria”.

As, “there can be transference of DNA from a non-living to a living bacterium”, is the correct answer.

Hence option d. is correct.

Reason for the incorrect statements:

Option a. is given as “bacteria with smooth coat killed mice”.

Key finding of the Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with smooth coat killed mice, so it is a wrong answer.

Option b. is given as “bacteria with rough coat are not lethal”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with rough coat are not lethal, so it is a wrong answer.

Option c. is given as “DNA is the genetic material”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that DNA is the genetic material, so it is a wrong answer.

Hence options a., b. and c. are incorrect.

Conclusion

The major finding of Griffith’s experiment is that genetic material can be transferred from a dead to a live bacteria.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 14, Problem 1U

Summary Introduction

To determine:

Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria.

Introduction:

Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Expert Solution & Answer

Answer to Problem 1U

Correct answer:

The key finding from the Griffith’s experiment using live and heat killed pathogenic bacteria was that “genetic material can be transferred from dead to live bacteria”. Therefore option d. is correct.

Explanation of Solution

Reason for the correct statement:

There are different basis of classification of bacteria. One such basis is the virulism of bacteria. On this basis there are two kinds of bacteria. They are normal virulent bacteria and mutant non-virulent bacteria. Griffith in his experiment injected these two forms of bacteria in mouse and observed the result in them. He injected live virulent bacteria into mice and he also injected non virulent and heat-killed virulent bacteria in different mice.

Option d. is given as “genetic material can be transferred from a dead to a live bacteria”.

As, “there can be transference of DNA from a non-living to a living bacterium”, is the correct answer.

Hence option d. is correct.

Reason for the incorrect statements:

Option a. is given as “bacteria with smooth coat killed mice”.

Key finding of the Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with smooth coat killed mice, so it is a wrong answer.

Option b. is given as “bacteria with rough coat are not lethal”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with rough coat are not lethal, so it is a wrong answer.

Option c. is given as “DNA is the genetic material”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that DNA is the genetic material, so it is a wrong answer.

Hence options a., b. and c. are incorrect.

Conclusion

The major finding of Griffith’s experiment is that genetic material can be transferred from a dead to a live bacteria.

Answer 6

Chapter 14, Problem 1U

Summary Introduction

To determine:

Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria.

Introduction:

Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Expert Solution & Answer

Answer to Problem 1U

Correct answer:

The key finding from the Griffith’s experiment using live and heat killed pathogenic bacteria was that “genetic material can be transferred from dead to live bacteria”. Therefore option d. is correct.

Explanation of Solution

Reason for the correct statement:

There are different basis of classification of bacteria. One such basis is the virulism of bacteria. On this basis there are two kinds of bacteria. They are normal virulent bacteria and mutant non-virulent bacteria. Griffith in his experiment injected these two forms of bacteria in mouse and observed the result in them. He injected live virulent bacteria into mice and he also injected non virulent and heat-killed virulent bacteria in different mice.

Option d. is given as “genetic material can be transferred from a dead to a live bacteria”.

As, “there can be transference of DNA from a non-living to a living bacterium”, is the correct answer.

Hence option d. is correct.

Reason for the incorrect statements:

Option a. is given as “bacteria with smooth coat killed mice”.

Key finding of the Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with smooth coat killed mice, so it is a wrong answer.

Option b. is given as “bacteria with rough coat are not lethal”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with rough coat are not lethal, so it is a wrong answer.

Option c. is given as “DNA is the genetic material”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that DNA is the genetic material, so it is a wrong answer.

Hence options a., b. and c. are incorrect.

Conclusion

The major finding of Griffith’s experiment is that genetic material can be transferred from a dead to a live bacteria.

Answer 7

Chapter 14, Problem 1U

Summary Introduction

To determine:

Results obtained from the Griffith’s experiments using live and heat killed pathogenic bacteria.

Introduction:

Transformation of DNA is the process by which DNA of the host cell or the infecting cell is changed by the incorporation n of an outside DNA that is of some other organism. This process was discovered by Frederick Griffith, when he was trying to make vaccine against influenza virus. He carried out his experiment in mouse.

Answer 8

Expert Solution & Answer

Answer to Problem 1U

Correct answer:

The key finding from the Griffith’s experiment using live and heat killed pathogenic bacteria was that “genetic material can be transferred from dead to live bacteria”. Therefore option d. is correct.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reason for the correct statement:

There are different basis of classification of bacteria. One such basis is the virulism of bacteria. On this basis there are two kinds of bacteria. They are normal virulent bacteria and mutant non-virulent bacteria. Griffith in his experiment injected these two forms of bacteria in mouse and observed the result in them. He injected live virulent bacteria into mice and he also injected non virulent and heat-killed virulent bacteria in different mice.

Option d. is given as “genetic material can be transferred from a dead to a live bacteria”.

As, “there can be transference of DNA from a non-living to a living bacterium”, is the correct answer.

Hence option d. is correct.

Reason for the incorrect statements:

Option a. is given as “bacteria with smooth coat killed mice”.

Key finding of the Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with smooth coat killed mice, so it is a wrong answer.

Option b. is given as “bacteria with rough coat are not lethal”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that bacteria with rough coat are not lethal, so it is a wrong answer.

Option c. is given as “DNA is the genetic material”.

The major finding of Griffith’s experiment was that genetic material can be transferred from a dead to a live bacteria and not that DNA is the genetic material, so it is a wrong answer.

Hence options a., b. and c. are incorrect.

Answer 12

Conclusion

The major finding of Griffith’s experiment is that genetic material can be transferred from a dead to a live bacteria.

Answer 13

Ch. 14 - Prob. 1U Ch. 14 - Which of the following is NOT a component of DNA?...Ch. 14 - Chargaff studied the composition of DNA from...Ch. 14 - The bonds that hold two complementary strands of...Ch. 14 - Prob. 5U Ch. 14 - Prob. 6U Ch. 14 - Which of the following is NOT pan of the...Ch. 14 - If one strand of a DNA is 5 ATCGTTAAGCGAGTCA 3,...Ch. 14 - Hershey and Chase used radioactive phosphorus and...Ch. 14 - The Meselson and Stahl experiment used a density...

Solution Summary: The author explains that Frederick Griffith's experiments using live and heat-killed pathogenic bacteria revealed that genetic material can be transferred from a dead to live bacteria and not that bacteria with rough coat are not lethal.

Answer to Problem 1U

Explanation of Solution

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Chapter 14 Solutions