Chapter 28 – Prokaryotes
Chapter 28
Prokaryotes
Multiple Choice Questions
1. Current classification of prokaryotes is based on
2. Early classification systems of the bacteria employed all of the following characteristics
except
Chapter 28 – Prokaryotes
3. An oil spill occurs, and Greg (a member of the clean up team) suggests adding fertilizer.
Why is he making this suggestion?
4. Vibrio cholerae produces a toxin that destroys the intestinal epithelium. This leads to
massive diarrhea; the diarrhea can kill the human via dehydration but helps the bacteria
spread and colonize other humans. What is this relationship?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
Gather Content
•
What do you already know about symbioses? How does it relate to the question?
•
What other information is related to the question? Which information is most useful?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
5. Farmers often practice crop rotation to help enrich agricultural fields. Why are beans and
other legumes often used in the rotations?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
Gather Content
•
What do you already know about nutrient cycling? How does it relate to the question?
•
What other information is related to the question? Which information is most useful?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
6. The fungus Penicillium produces a compound that blocks peptidoglycan assembly. Why is
a fungus trying to kill bacteria?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
Gather Content
•
What do you already know about fungi? How does it relate to the question?
•
What other information is related to the question? Which information is most useful?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
7. Phil has chronic ulcers, he has been taking acid blockers and drinking vast amounts of
liquid antacids. These help relieve the symptoms but he still suffers from ulcers. What would
be the best course of action to treat the source of his ulcers?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
already know about ulcers and apply it to this new situation.
Gather Content
•
What do you already know about ulcers? How does it relate to the question?
•
What other information is related to the question? Which information is most useful?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
8. Why is chlamydia much more common than syphilis?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
hypothesis best explains this phenomenon?
•
What type of thinking is required?
Gather Content
•
What do you already know about chlamydia? How does it relate to the question?
•
What other information is related to the question? Which information is most useful?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
9. Why are children often told that if they eat too much candy their teeth will fall out?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
Gather Content
•
What do you already know sugars? How does it relate to the question?
•
What other information is related to the question? Which information is most useful?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
10. Amanda is a microbiologist who studies the pathogenic bacteria Streptococcus pyogenes.
In what ways are they (Amanda and the bacteria) similar?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
Gather Content
•
What do you already know about eukaryotes and prokaryotes? How does it relate to the
question?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
Chapter 28 – Prokaryotes
process break down or lead you astray? How can you revise your approach to produce a more
desirable result?
11. Genes abc and def have a high average cotransduction frequency. Genes abc and xyz have
a very low average cotransduction frequency. What is the best explanation for this
difference?
12. Are transformation and transduction the same process?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
Gather Content
•
What do you already know about transformation and transduction? How does it relate to
the question?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
13. The cells wall of bacteria Z contains high concentrations of phospholipids along with
proteins and relatively low amounts of lipopolysaccharide. When bacteria Z is gram stained,
it will most like be colored?
Chapter 28 – Prokaryotes
Clarify Question
•
What is the key concept addressed by the question?
•
What type of thinking is required?
Gather Content
•
What do you already know about gram staining? How does it relate to the question?
Choose Answer
•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 28 – Prokaryotes
14. Many cells of the immune system have receptors that detect peptidoglycans and
lipopolysaccharides. How do pathogenic bacteria avoid detection?