A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

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Answer 1

Question

Chapter 20, Problem 1SQ

Summary Introduction

Introduction: A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: DNA or RNA may be the genetic material of a virus.

Hence, the correct answer is option c.

Explanation of Solution

Reason for the correct answer:

Option c. is given as “a virus”. The virus is a tiny infectious agent that is alive only in the living cells and can replicate only using host replicating machinery. The virus can have both DNA and RNA as a genetic material.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as “a bacterium”.

Bacteria are the prokaryotes that carry either DNA as a genetic material. Bacteria lack the membrane-bound nucleus and contain free DNA or RNA in their cytoplasm. They do not contain RNA as a genetic material.

Hence, the correct answer is option a.

Option b. is given as “a viroid”.

This is incorrect. The viroids are the tiny infectious that consists of short RNA strand without a protein coat. They do not contain both DNA and RNA as genetic material.

Hence, option b. is incorrect.

Option d. is given as “an archaeon”.

Archaeon is the prokaryotes with a single-celled structure similar to bacteria. They contain DNA as their genetic material, not RNA.

Hence, option d. is incorrect.

Hence, the options a., b., and d. are incorrect.

Conclusion

The viruses are the only structure that has both RNA and DNA, as their genetic material. Others like bacteria, eukaryotic cell, and archaeon contain only DNA in their genome.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

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Answer 2

Question

Chapter 20, Problem 1SQ

Summary Introduction

Introduction: A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: DNA or RNA may be the genetic material of a virus.

Hence, the correct answer is option c.

Explanation of Solution

Reason for the correct answer:

Option c. is given as “a virus”. The virus is a tiny infectious agent that is alive only in the living cells and can replicate only using host replicating machinery. The virus can have both DNA and RNA as a genetic material.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as “a bacterium”.

Bacteria are the prokaryotes that carry either DNA as a genetic material. Bacteria lack the membrane-bound nucleus and contain free DNA or RNA in their cytoplasm. They do not contain RNA as a genetic material.

Hence, the correct answer is option a.

Option b. is given as “a viroid”.

This is incorrect. The viroids are the tiny infectious that consists of short RNA strand without a protein coat. They do not contain both DNA and RNA as genetic material.

Hence, option b. is incorrect.

Option d. is given as “an archaeon”.

Archaeon is the prokaryotes with a single-celled structure similar to bacteria. They contain DNA as their genetic material, not RNA.

Hence, option d. is incorrect.

Hence, the options a., b., and d. are incorrect.

Conclusion

The viruses are the only structure that has both RNA and DNA, as their genetic material. Others like bacteria, eukaryotic cell, and archaeon contain only DNA in their genome.

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Answer 3

Question

Chapter 20, Problem 1SQ

Summary Introduction

Introduction: A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: DNA or RNA may be the genetic material of a virus.

Hence, the correct answer is option c.

Explanation of Solution

Reason for the correct answer:

Option c. is given as “a virus”. The virus is a tiny infectious agent that is alive only in the living cells and can replicate only using host replicating machinery. The virus can have both DNA and RNA as a genetic material.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as “a bacterium”.

Bacteria are the prokaryotes that carry either DNA as a genetic material. Bacteria lack the membrane-bound nucleus and contain free DNA or RNA in their cytoplasm. They do not contain RNA as a genetic material.

Hence, the correct answer is option a.

Option b. is given as “a viroid”.

This is incorrect. The viroids are the tiny infectious that consists of short RNA strand without a protein coat. They do not contain both DNA and RNA as genetic material.

Hence, option b. is incorrect.

Option d. is given as “an archaeon”.

Archaeon is the prokaryotes with a single-celled structure similar to bacteria. They contain DNA as their genetic material, not RNA.

Hence, option d. is incorrect.

Hence, the options a., b., and d. are incorrect.

Conclusion

The viruses are the only structure that has both RNA and DNA, as their genetic material. Others like bacteria, eukaryotic cell, and archaeon contain only DNA in their genome.

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Answer 4

Question

Chapter 20, Problem 1SQ

Summary Introduction

Introduction: A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: DNA or RNA may be the genetic material of a virus.

Hence, the correct answer is option c.

Explanation of Solution

Reason for the correct answer:

Option c. is given as “a virus”. The virus is a tiny infectious agent that is alive only in the living cells and can replicate only using host replicating machinery. The virus can have both DNA and RNA as a genetic material.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as “a bacterium”.

Bacteria are the prokaryotes that carry either DNA as a genetic material. Bacteria lack the membrane-bound nucleus and contain free DNA or RNA in their cytoplasm. They do not contain RNA as a genetic material.

Hence, the correct answer is option a.

Option b. is given as “a viroid”.

This is incorrect. The viroids are the tiny infectious that consists of short RNA strand without a protein coat. They do not contain both DNA and RNA as genetic material.

Hence, option b. is incorrect.

Option d. is given as “an archaeon”.

Archaeon is the prokaryotes with a single-celled structure similar to bacteria. They contain DNA as their genetic material, not RNA.

Hence, option d. is incorrect.

Hence, the options a., b., and d. are incorrect.

Conclusion

The viruses are the only structure that has both RNA and DNA, as their genetic material. Others like bacteria, eukaryotic cell, and archaeon contain only DNA in their genome.

Want to see more full solutions like this?

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

Answer 5

Chapter 20, Problem 1SQ

Summary Introduction

Introduction: A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: DNA or RNA may be the genetic material of a virus.

Hence, the correct answer is option c.

Explanation of Solution

Reason for the correct answer:

Option c. is given as “a virus”. The virus is a tiny infectious agent that is alive only in the living cells and can replicate only using host replicating machinery. The virus can have both DNA and RNA as a genetic material.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as “a bacterium”.

Bacteria are the prokaryotes that carry either DNA as a genetic material. Bacteria lack the membrane-bound nucleus and contain free DNA or RNA in their cytoplasm. They do not contain RNA as a genetic material.

Hence, the correct answer is option a.

Option b. is given as “a viroid”.

This is incorrect. The viroids are the tiny infectious that consists of short RNA strand without a protein coat. They do not contain both DNA and RNA as genetic material.

Hence, option b. is incorrect.

Option d. is given as “an archaeon”.

Archaeon is the prokaryotes with a single-celled structure similar to bacteria. They contain DNA as their genetic material, not RNA.

Hence, option d. is incorrect.

Hence, the options a., b., and d. are incorrect.

Conclusion

The viruses are the only structure that has both RNA and DNA, as their genetic material. Others like bacteria, eukaryotic cell, and archaeon contain only DNA in their genome.

Answer 6

Chapter 20, Problem 1SQ

Summary Introduction

Introduction: A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: DNA or RNA may be the genetic material of a virus.

Hence, the correct answer is option c.

Explanation of Solution

Reason for the correct answer:

Option c. is given as “a virus”. The virus is a tiny infectious agent that is alive only in the living cells and can replicate only using host replicating machinery. The virus can have both DNA and RNA as a genetic material.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as “a bacterium”.

Bacteria are the prokaryotes that carry either DNA as a genetic material. Bacteria lack the membrane-bound nucleus and contain free DNA or RNA in their cytoplasm. They do not contain RNA as a genetic material.

Hence, the correct answer is option a.

Option b. is given as “a viroid”.

This is incorrect. The viroids are the tiny infectious that consists of short RNA strand without a protein coat. They do not contain both DNA and RNA as genetic material.

Hence, option b. is incorrect.

Option d. is given as “an archaeon”.

Archaeon is the prokaryotes with a single-celled structure similar to bacteria. They contain DNA as their genetic material, not RNA.

Hence, option d. is incorrect.

Hence, the options a., b., and d. are incorrect.

Conclusion

The viruses are the only structure that has both RNA and DNA, as their genetic material. Others like bacteria, eukaryotic cell, and archaeon contain only DNA in their genome.

Answer 7

Chapter 20, Problem 1SQ

Summary Introduction

Introduction: A genome of an organism is the entire set of DNA that it possesses. The genome that is composed of genes consists of all the information to construct and sustain an organism. The genetic material present in the genes (DNA or RNA) is responsible to pass the hereditary information to the daughter cells. Cells can have either DNA or RNA as the genetic material. A virus can have either DNA or RNA as the genetic material.

Answer 8

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: DNA or RNA may be the genetic material of a virus.

Hence, the correct answer is option c.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reason for the correct answer:

Option c. is given as “a virus”. The virus is a tiny infectious agent that is alive only in the living cells and can replicate only using host replicating machinery. The virus can have both DNA and RNA as a genetic material.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as “a bacterium”.

Bacteria are the prokaryotes that carry either DNA as a genetic material. Bacteria lack the membrane-bound nucleus and contain free DNA or RNA in their cytoplasm. They do not contain RNA as a genetic material.

Hence, the correct answer is option a.

Option b. is given as “a viroid”.

This is incorrect. The viroids are the tiny infectious that consists of short RNA strand without a protein coat. They do not contain both DNA and RNA as genetic material.

Hence, option b. is incorrect.

Option d. is given as “an archaeon”.

Archaeon is the prokaryotes with a single-celled structure similar to bacteria. They contain DNA as their genetic material, not RNA.

Hence, option d. is incorrect.

Hence, the options a., b., and d. are incorrect.

Answer 12

Conclusion

The viruses are the only structure that has both RNA and DNA, as their genetic material. Others like bacteria, eukaryotic cell, and archaeon contain only DNA in their genome.

Answer 13

Ch. 20 - Prob. 1SQ Ch. 20 - Prob. 2SQ Ch. 20 - Prob. 3SQ Ch. 20 - Prob. 4SQ Ch. 20 - __________ do not reproduce sexually. a....Ch. 20 - Prob. 6SQ Ch. 20 - Adapting to Host Defenses Surface proteins called...Ch. 20 - Prob. 2DAA Ch. 20 - Prob. 3DAA Ch. 20 - Adapting to Host Defenses Surface proteins called...

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Answer to Problem 1SQ

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