(TCO 1) The swan-necked flasks of Pasteur’s experiments
Student Answer: allowed for airflow without allowing the introduction of
environmental microbes.
turned the flask cloudy.
contributed to supporting the theory of spontaneous generation.
allowed the flasks to temporarily turn cloudy and then become
clear after a period of time.
All of the above
Instructor
Explanation:
Chapter 1, The Golden Age of Microbiology section
Points Received: 2 of 2
Comments:
Question 2
.
Question :
(TCO 1) Which of the following is NOT a characteristic of algae?
Student Answer: They reproduce asexually by budding.
They may be single celled or multicellular.
They are photosynthetic.
They are eukaryotic organisms.
They provide much of the world’s oxygen.
Instructor
Explanation:
Chapter 1, The Early Years of Microbiology section
Points Received: 2 of 2
1 / 4
Comments:
Question 3
.
Question :
(TCO 1) What is metabolism?
Student Answer: It is a calculation of how quickly food can be broken down.
It is the building of more complex structures from subunits in an
organism.
It is the sum of all of the chemical reactions in an organism.
It is the breakdown of large molecules into individual subunits.
It is the production of glucose by a plant cell.
Instructor
Explanation:
Chapter 1, The Golden Age of Microbiology section
Points Received: 2 of 2
Comments:
Question 4
.
Question :
(TCO 1) Why are microorganisms so important to our ecosystems?
Student Answer: They enrich soil.
They degrade wastes.
They support life.
None of the above
All of the above
Instructor
Explanation:
Chapter 1, Introduction page
Points Received: 2 of 2
2 / 4
Comments:
Question 5
.
Question :
(TCO 2) Photosynthetic bacteria
Student Answer: produce glucose and oxygen.
may also be nitrogen fixers.
have chloroplasts.
cannot tolerate oxygen in their environment.
all have heterocysts.
Instructor
Explanation:
Chapter 11, Survey of Bacteria section
Points Received: 0 of 2
Comments:
Question 6
.
Question :
(TCO 2) Which of the following statements is NOT true about
endospores?
Student Answer: They are reproductive structures.
They are formed by the Clostridium species.
They may be classified as central, subterminal, or terminal.
They are formed when conditions are suboptimal.
Endospore-forming bacteria cause tetanus and anthrax.
Instructor
Explanation:
Chapter 11, General Characteristics of Prokaryotic Organisms section
Points Received: 2 of 2
3 / 4
Comments:
Question 7
.
Question :
(TCO 2) What is the potential overall magnification of a microscope that
has a 10X ocular lens and a 40X objective lens?
Student Answer: 10X
40X
390X
400X
410X
Instructor
Explanation:
Chapter 4, Microscopy section
Points Received: 2 of 2
Comments:
Question 8
.
Question :
(TCO 2) Which type of microscope would best be used to look at the
atomic level?
Student Answer: Phase contrast microscope
Dark-field microscope
Scanning tunneling microscope
Scanning electron microscopes
Confocal microscope
Instructor
Explanation:
Chapter 4, Microscopy section
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Category | Exam (elaborations) |
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