Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell wall formed from peptidoglycan. b. Gram-positive bacteria have an outer membrane. c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin. d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.

Question

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Answer 1

Textbook Question

Chapter 13, Problem 1ACQ

Figure 13.6 Which of the following statements is true?

a. Gram-positive bacteria have a single cell wall formed from peptidoglycan.

b. Gram-positive bacteria have an outer membrane.

c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin.

d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.

Chapter 13, Problem 1ACQ, Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell

Expert Solution & Answer

Summary Introduction

Introduction:

The gram stain test is used to differentiate between the gram-positive bacteria and gram-negative bacteria. The gram-positive bacteria retain the crystal violet stain of the gram stain test. While, the gram-negative bacteria, do not retain the crystal violet stain when discoloring agent is applied to it.

Answer to Problem 1ACQ

Correct answer:

Among the answers given, the correct answer is option (a) the cell wall of gram-positive bacteria us formed only of peptidoglycan.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) is the cell wall of gram-positive bacteria is formed only of peptidoglycan. The cell wall of gram-positive bacteria is thick as it contains many layers of peptidoglycan. Whereas, the cell wall of gram-negative bacteria is thin layered and is composed of peptidoglycan and other structures. Hence, this option is correct.

Explanation for incorrect answer:

Option (b) is gram-positive bacteria contains an outer membrane. The cell wall of gram-negative bacteria is surrounded by an outer membrane, while there is no outer membrane in gram-positive bacteria. Hence, this option is incorrect.

Option (c) is the cell wall of gram-negative bacteria is thick and that of gram-positive bacteria is thin. Many layers of peptidoglycan make the cell wall of gram-positive bacteria thick, while a single layer of peptidoglycan in gram-negative bacteria makes the cell wall thin. Hence, this option is incorrect.

Option (d) is the cell wall of gram-negative bacteria is made of peptidoglycan and that of gram-positive bacteria is made of phospholipids. The cell wall of gram-positive bacteria does not contain phospholipids. It is made up only of peptidoglycan. On the other hand, the cell wall of gram-negative bacteria contains other structures along with peptidoglycan. Hence, this option is incorrect.

Conclusion

The correct statement is that gram positive bacteria contains only of peptidoglycan. Hence, option (a) is correct.

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Students have asked these similar questions

Which of the following statement about the bacterial cell wall is INCORRECT? a. The cell wall is relatively nonpermeable and restricts the passage of sugars and amino acids. b. Gram-positive cells have more peptidoglycan in theircell walls than Gram-negative cells. c. Gram-negative cells have a membrane both inside andoutside their cell walls. d. The cell wall establishes a bacterium’s shape as a coccus,bacillus, or spirillum.

Your friend Jim Crackcorn has developed a new antibiotic that damages the integrity of the cell wall by breaking down peptidoglycan. Jim tells you that he predicts that gram positive bacteria, gram negative bacteria and archaeal cells will be equally sensitive to this antibiotic. Do you agree with Jim’s prediction? If you agree, explain in your own words why you agree. If you disagree, explain in your own words what you would predict and why.

Which of the following statements is true? Select one: O a. Gram-positive bacterial walls have a relatively thin layer of peptidoglycan anchored to the acids O b. Peptidoglycan is a fatty acid O c. The cell walls of bacteria are composed of peptidoglycan O d. Peptidoglycan is found mainly in the cell walls of fungi, algae and plants

Answer 2

Textbook Question

Chapter 13, Problem 1ACQ

Figure 13.6 Which of the following statements is true?

a. Gram-positive bacteria have a single cell wall formed from peptidoglycan.

b. Gram-positive bacteria have an outer membrane.

c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin.

d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.

Chapter 13, Problem 1ACQ, Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell

Expert Solution & Answer

Summary Introduction

Introduction:

The gram stain test is used to differentiate between the gram-positive bacteria and gram-negative bacteria. The gram-positive bacteria retain the crystal violet stain of the gram stain test. While, the gram-negative bacteria, do not retain the crystal violet stain when discoloring agent is applied to it.

Answer to Problem 1ACQ

Correct answer:

Among the answers given, the correct answer is option (a) the cell wall of gram-positive bacteria us formed only of peptidoglycan.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) is the cell wall of gram-positive bacteria is formed only of peptidoglycan. The cell wall of gram-positive bacteria is thick as it contains many layers of peptidoglycan. Whereas, the cell wall of gram-negative bacteria is thin layered and is composed of peptidoglycan and other structures. Hence, this option is correct.

Explanation for incorrect answer:

Option (b) is gram-positive bacteria contains an outer membrane. The cell wall of gram-negative bacteria is surrounded by an outer membrane, while there is no outer membrane in gram-positive bacteria. Hence, this option is incorrect.

Option (c) is the cell wall of gram-negative bacteria is thick and that of gram-positive bacteria is thin. Many layers of peptidoglycan make the cell wall of gram-positive bacteria thick, while a single layer of peptidoglycan in gram-negative bacteria makes the cell wall thin. Hence, this option is incorrect.

Option (d) is the cell wall of gram-negative bacteria is made of peptidoglycan and that of gram-positive bacteria is made of phospholipids. The cell wall of gram-positive bacteria does not contain phospholipids. It is made up only of peptidoglycan. On the other hand, the cell wall of gram-negative bacteria contains other structures along with peptidoglycan. Hence, this option is incorrect.

Conclusion

The correct statement is that gram positive bacteria contains only of peptidoglycan. Hence, option (a) is correct.

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Answer 3

Textbook Question

Chapter 13, Problem 1ACQ

Figure 13.6 Which of the following statements is true?

a. Gram-positive bacteria have a single cell wall formed from peptidoglycan.

b. Gram-positive bacteria have an outer membrane.

c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin.

d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.

Chapter 13, Problem 1ACQ, Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell

Expert Solution & Answer

Summary Introduction

Introduction:

The gram stain test is used to differentiate between the gram-positive bacteria and gram-negative bacteria. The gram-positive bacteria retain the crystal violet stain of the gram stain test. While, the gram-negative bacteria, do not retain the crystal violet stain when discoloring agent is applied to it.

Answer to Problem 1ACQ

Correct answer:

Among the answers given, the correct answer is option (a) the cell wall of gram-positive bacteria us formed only of peptidoglycan.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) is the cell wall of gram-positive bacteria is formed only of peptidoglycan. The cell wall of gram-positive bacteria is thick as it contains many layers of peptidoglycan. Whereas, the cell wall of gram-negative bacteria is thin layered and is composed of peptidoglycan and other structures. Hence, this option is correct.

Explanation for incorrect answer:

Option (b) is gram-positive bacteria contains an outer membrane. The cell wall of gram-negative bacteria is surrounded by an outer membrane, while there is no outer membrane in gram-positive bacteria. Hence, this option is incorrect.

Option (c) is the cell wall of gram-negative bacteria is thick and that of gram-positive bacteria is thin. Many layers of peptidoglycan make the cell wall of gram-positive bacteria thick, while a single layer of peptidoglycan in gram-negative bacteria makes the cell wall thin. Hence, this option is incorrect.

Option (d) is the cell wall of gram-negative bacteria is made of peptidoglycan and that of gram-positive bacteria is made of phospholipids. The cell wall of gram-positive bacteria does not contain phospholipids. It is made up only of peptidoglycan. On the other hand, the cell wall of gram-negative bacteria contains other structures along with peptidoglycan. Hence, this option is incorrect.

Conclusion

The correct statement is that gram positive bacteria contains only of peptidoglycan. Hence, option (a) is correct.

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Answer 4

Textbook Question

Chapter 13, Problem 1ACQ

Figure 13.6 Which of the following statements is true?

a. Gram-positive bacteria have a single cell wall formed from peptidoglycan.

b. Gram-positive bacteria have an outer membrane.

c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin.

d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.

Chapter 13, Problem 1ACQ, Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell

Expert Solution & Answer

Summary Introduction

Introduction:

The gram stain test is used to differentiate between the gram-positive bacteria and gram-negative bacteria. The gram-positive bacteria retain the crystal violet stain of the gram stain test. While, the gram-negative bacteria, do not retain the crystal violet stain when discoloring agent is applied to it.

Answer to Problem 1ACQ

Correct answer:

Among the answers given, the correct answer is option (a) the cell wall of gram-positive bacteria us formed only of peptidoglycan.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) is the cell wall of gram-positive bacteria is formed only of peptidoglycan. The cell wall of gram-positive bacteria is thick as it contains many layers of peptidoglycan. Whereas, the cell wall of gram-negative bacteria is thin layered and is composed of peptidoglycan and other structures. Hence, this option is correct.

Explanation for incorrect answer:

Option (b) is gram-positive bacteria contains an outer membrane. The cell wall of gram-negative bacteria is surrounded by an outer membrane, while there is no outer membrane in gram-positive bacteria. Hence, this option is incorrect.

Option (c) is the cell wall of gram-negative bacteria is thick and that of gram-positive bacteria is thin. Many layers of peptidoglycan make the cell wall of gram-positive bacteria thick, while a single layer of peptidoglycan in gram-negative bacteria makes the cell wall thin. Hence, this option is incorrect.

Option (d) is the cell wall of gram-negative bacteria is made of peptidoglycan and that of gram-positive bacteria is made of phospholipids. The cell wall of gram-positive bacteria does not contain phospholipids. It is made up only of peptidoglycan. On the other hand, the cell wall of gram-negative bacteria contains other structures along with peptidoglycan. Hence, this option is incorrect.

Conclusion

The correct statement is that gram positive bacteria contains only of peptidoglycan. Hence, option (a) is correct.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

The gram stain test is used to differentiate between the gram-positive bacteria and gram-negative bacteria. The gram-positive bacteria retain the crystal violet stain of the gram stain test. While, the gram-negative bacteria, do not retain the crystal violet stain when discoloring agent is applied to it.

Answer to Problem 1ACQ

Correct answer:

Among the answers given, the correct answer is option (a) the cell wall of gram-positive bacteria us formed only of peptidoglycan.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) is the cell wall of gram-positive bacteria is formed only of peptidoglycan. The cell wall of gram-positive bacteria is thick as it contains many layers of peptidoglycan. Whereas, the cell wall of gram-negative bacteria is thin layered and is composed of peptidoglycan and other structures. Hence, this option is correct.

Explanation for incorrect answer:

Option (b) is gram-positive bacteria contains an outer membrane. The cell wall of gram-negative bacteria is surrounded by an outer membrane, while there is no outer membrane in gram-positive bacteria. Hence, this option is incorrect.

Option (c) is the cell wall of gram-negative bacteria is thick and that of gram-positive bacteria is thin. Many layers of peptidoglycan make the cell wall of gram-positive bacteria thick, while a single layer of peptidoglycan in gram-negative bacteria makes the cell wall thin. Hence, this option is incorrect.

Option (d) is the cell wall of gram-negative bacteria is made of peptidoglycan and that of gram-positive bacteria is made of phospholipids. The cell wall of gram-positive bacteria does not contain phospholipids. It is made up only of peptidoglycan. On the other hand, the cell wall of gram-negative bacteria contains other structures along with peptidoglycan. Hence, this option is incorrect.

Conclusion

The correct statement is that gram positive bacteria contains only of peptidoglycan. Hence, option (a) is correct.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

The gram stain test is used to differentiate between the gram-positive bacteria and gram-negative bacteria. The gram-positive bacteria retain the crystal violet stain of the gram stain test. While, the gram-negative bacteria, do not retain the crystal violet stain when discoloring agent is applied to it.

Answer to Problem 1ACQ

Correct answer:

Among the answers given, the correct answer is option (a) the cell wall of gram-positive bacteria us formed only of peptidoglycan.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) is the cell wall of gram-positive bacteria is formed only of peptidoglycan. The cell wall of gram-positive bacteria is thick as it contains many layers of peptidoglycan. Whereas, the cell wall of gram-negative bacteria is thin layered and is composed of peptidoglycan and other structures. Hence, this option is correct.

Explanation for incorrect answer:

Option (b) is gram-positive bacteria contains an outer membrane. The cell wall of gram-negative bacteria is surrounded by an outer membrane, while there is no outer membrane in gram-positive bacteria. Hence, this option is incorrect.

Option (c) is the cell wall of gram-negative bacteria is thick and that of gram-positive bacteria is thin. Many layers of peptidoglycan make the cell wall of gram-positive bacteria thick, while a single layer of peptidoglycan in gram-negative bacteria makes the cell wall thin. Hence, this option is incorrect.

Option (d) is the cell wall of gram-negative bacteria is made of peptidoglycan and that of gram-positive bacteria is made of phospholipids. The cell wall of gram-positive bacteria does not contain phospholipids. It is made up only of peptidoglycan. On the other hand, the cell wall of gram-negative bacteria contains other structures along with peptidoglycan. Hence, this option is incorrect.

Conclusion

The correct statement is that gram positive bacteria contains only of peptidoglycan. Hence, option (a) is correct.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

The gram stain test is used to differentiate between the gram-positive bacteria and gram-negative bacteria. The gram-positive bacteria retain the crystal violet stain of the gram stain test. While, the gram-negative bacteria, do not retain the crystal violet stain when discoloring agent is applied to it.

Answer 12

Answer to Problem 1ACQ

Correct answer:

Among the answers given, the correct answer is option (a) the cell wall of gram-positive bacteria us formed only of peptidoglycan.

Answer 13

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) is the cell wall of gram-positive bacteria is formed only of peptidoglycan. The cell wall of gram-positive bacteria is thick as it contains many layers of peptidoglycan. Whereas, the cell wall of gram-negative bacteria is thin layered and is composed of peptidoglycan and other structures. Hence, this option is correct.

Explanation for incorrect answer:

Option (b) is gram-positive bacteria contains an outer membrane. The cell wall of gram-negative bacteria is surrounded by an outer membrane, while there is no outer membrane in gram-positive bacteria. Hence, this option is incorrect.

Option (c) is the cell wall of gram-negative bacteria is thick and that of gram-positive bacteria is thin. Many layers of peptidoglycan make the cell wall of gram-positive bacteria thick, while a single layer of peptidoglycan in gram-negative bacteria makes the cell wall thin. Hence, this option is incorrect.

Option (d) is the cell wall of gram-negative bacteria is made of peptidoglycan and that of gram-positive bacteria is made of phospholipids. The cell wall of gram-positive bacteria does not contain phospholipids. It is made up only of peptidoglycan. On the other hand, the cell wall of gram-negative bacteria contains other structures along with peptidoglycan. Hence, this option is incorrect.