Which of the following statements is false? a. Plasmids can be exchanged between different species of bacteria. b. The blue circle represents a small chromosome. c. The blue circle is a plasmid that contains genes that confer resistance to specific antiobiotics. d. The blue circle represents a double-stranded molecule of DNA.

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
Publisher:RICE
Chapter15: Antibiotic Agents
Section: Chapter Questions
Problem 19RQ
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Which of the following statements is false?

a. Plasmids can be exchanged between different species of bacteria.
b. The blue circle represents a small chromosome.
c. The blue circle is a plasmid that contains genes that confer resistance to specific antiobiotics.
d. The blue circle represents a double-stranded molecule of DNA.
**Quiz Question: Understanding Plasmids and Chromosomes in Bacteria**

Please select the correct statement regarding the role and nature of plasmids in bacterial genetics:

- **a.** Plasmids can be exchanged between different species of bacteria.
- **b.** The blue circle represents a small chromosome.
- **c.** The blue circle is a plasmid that contains genes that confer resistance to specific antibiotics.
- **d.** The blue circle represents a double-stranded molecule of DNA.
Transcribed Image Text:**Quiz Question: Understanding Plasmids and Chromosomes in Bacteria** Please select the correct statement regarding the role and nature of plasmids in bacterial genetics: - **a.** Plasmids can be exchanged between different species of bacteria. - **b.** The blue circle represents a small chromosome. - **c.** The blue circle is a plasmid that contains genes that confer resistance to specific antibiotics. - **d.** The blue circle represents a double-stranded molecule of DNA.
### Image Description for Educational Use

The image illustrates a bacterial cell with its genetic components and showcases antibiotic resistance spread via plasmids. The left section represents a simplified bacterial cell, outlined in green. Inside the cell, a tangled blue structure labeled "chromosome" is shown, representing the bacterial DNA. Small circular structures are labeled as "plasmids."

**Plasmids and Resistance Genes:**

To the right, a magnified circular representation of a plasmid is depicted. This plasmid is shown to contain resistance genes, designated as "res A," "res B," and "res C." These genes confer resistance to antibiotics.

**Antibiotic Resistance Mechanism:**

The top right part of the image shows several capsules labeled "Antibiotic A," some with a cross over them, indicating resistance. An arrow points from the plasmid's gene "res A" to this crossed-out antibiotic label, illustrating that the presence of "res A" confers resistance to "Antibiotic A."

**Key Concepts:**

- **Bacterial Chromosome and Plasmids:** Bacterial DNA is contained within the main chromosome, and additional genetic material, such as plasmids, can carry beneficial mutations like antibiotic resistance.
  
- **Antibiotic Resistance Genes:** Resistance genes on plasmids can make antibiotics ineffective, posing challenges for treatment. 

This diagram serves as a visual aid to understand how bacteria can resist antibiotics through genetic adaptations.

### Question

The diagram poses the question: "Which of the following statements is false?" It invites viewers to consider the relationships depicted between the bacterial cell components and antibiotic resistance.
Transcribed Image Text:### Image Description for Educational Use The image illustrates a bacterial cell with its genetic components and showcases antibiotic resistance spread via plasmids. The left section represents a simplified bacterial cell, outlined in green. Inside the cell, a tangled blue structure labeled "chromosome" is shown, representing the bacterial DNA. Small circular structures are labeled as "plasmids." **Plasmids and Resistance Genes:** To the right, a magnified circular representation of a plasmid is depicted. This plasmid is shown to contain resistance genes, designated as "res A," "res B," and "res C." These genes confer resistance to antibiotics. **Antibiotic Resistance Mechanism:** The top right part of the image shows several capsules labeled "Antibiotic A," some with a cross over them, indicating resistance. An arrow points from the plasmid's gene "res A" to this crossed-out antibiotic label, illustrating that the presence of "res A" confers resistance to "Antibiotic A." **Key Concepts:** - **Bacterial Chromosome and Plasmids:** Bacterial DNA is contained within the main chromosome, and additional genetic material, such as plasmids, can carry beneficial mutations like antibiotic resistance. - **Antibiotic Resistance Genes:** Resistance genes on plasmids can make antibiotics ineffective, posing challenges for treatment. This diagram serves as a visual aid to understand how bacteria can resist antibiotics through genetic adaptations. ### Question The diagram poses the question: "Which of the following statements is false?" It invites viewers to consider the relationships depicted between the bacterial cell components and antibiotic resistance.
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