Solutions Test Bank For Microbiology: A Systems Approach 6th Edition By Cowan PDF

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Test Bank, Solutions Manual, ebook, CONNECT Assignments and Learn Smart Quizzes for Microbiology: A Systems Approach 6th Edition By Marjorie Kelly Cowan
ISBN10: 1260258998 , ISBN13: 9781260258998...

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6/9/2020

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1.

Award:

Microorganisms are best defined as organisms that _______.



can only be found growing in laboratories



lack a cell nucleus



are infectious particles



cause human disease



are too small to be seen with the unaided eye

Section: 01.01

2.

Award:

Which of the following are not considered microorganisms?

 

Fungi Mosquitoes



Bacteria



Viruses



Protozoa

Section: 01.01

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3.





Award:

Helminths are ______.

 

molds parasitic worms



bacteria



infectious particles



protozoa

Section: 01.01

4.





Award:

Among these types of microorganisms, the ______ arenoncellular.



viruses



protozoans



bacteria



helminths

Section: 01.01

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Section: 01.05

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5.





Award:

Studies of the immune response to an infection caused by microorganisms would be performed by a/an _______.



geomicrobiologist



epidemiologist



hypersensitivity specialist



immunologist

Section: 01.01

6.



Award:



Which of the following pairs of career descriptions and work tasks is not correctly matched?

 

Public health microbiologist -- track the incidence of AIDS in a population Industrial microbiologist -- manipulate bacterial strains to be less pathogenic



Agricultural microbiologist -- identify bacterial causes of crop disease



Medical microbiologist -- identify the cause of a bladder infection at a hospital lab

Section: 01.01

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7.



Award:



A scientist who studies the influence of microbes in the formation of caves is called a/an ______.

 

astrobiologist geomicrobiologist



immunologist



epidemiologist

Section: 01.01

8.



Award:



Astrobiology is considered a sub-discipline of microbiology because _______.



microbes are known to exist on other planets



only microbes can reproduce under the extreme conditions in outer space



all extraterrestrials known are microbial



life elsewhere in the universe is likely to be microbial

Section: 01.01

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9.



Award:



Which of the following does not indicate microbe involvement in energy and nutrient flow?

 

Digestion of complex carbohydrates in animal diets Thermal hot springs warmed by heat from earth's interior



Formation of greenhouse gases, CO2 and methane



Decomposition of dead matter and wastes

Section: 01.02

10.



Award:



The microorganisms that recycle nutrients by breaking down dead matter and wastes are called ______.

 

prokaryotes decomposers



eukaryotes



fermenters



pathogens

Section: 01.02

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11.



Award:



The majority of oxygen in earth's atmosphere is a product of photosynthesis by ______.



green plants



rain forests

 

microorganisms agricultural lands

Section: 01.02

12.



Award:



The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______.



a common ancestral cell



archaea



cells with a true nucleus



photosynthetic bacteria

Section: 01.02

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13.





Award:

The first cells appeared about _____ billion years ago.



5



4



3.5



2



1

Section: 01.02

14.





Award:

A hypothesis must be tested many times before it can be considered a theory.

 

True False

Section: 01.02

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Section: 01.06

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15.



Award:



Which area of biology states that living things undergo gradual structural and functional changes over long periods of time?



Phylogeny



Transformation



Evolution



Genetics



Morphology

Section: 01.02

16.



Award:



When humans manipulate the genes of microorganisms, the process is called ______.



bioremediation



immunology



genetic engineering



taxonomy



epidemiology

Section: 01.03

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17.



Award:



Which activity is an example of biotechnology?

  Escherichia coli producing human insulin 

Bacteria in the soil secreting an antibiotic to kill competitors



Public health officials monitoring diseases in a community



Egyptians using moldy bread on wounds



A microbiologist using the microscope to view bacteria

Section: 01.03

18.



Award:



Which of the following is a traditional human use of microorganisms?

 

Treating water and sewage Baking bread



Cleaning up oil spills



Mass-producing antibiotics

Section: 01.03

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19.



Award:



Using microbes to detoxify a site contaminated with heavy metals is an example of ______.



bioremediation



biotechnology



immunology



decomposition



epidemiology

Section: 01.03

20.



Award:



Disease-causing microorganisms are called ______.



fermenters



eukaryotes



pathogens



bacteria



decomposers

Section: 01.04

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21.



Award:



The number one worldwide infectious diseases are ______.



respiratory diseases



diarrheal diseases



malaria and other protozoan diseases



measles and other rash diseases



AIDS-related diseases

Section: 01.04

22.



Award:



Many chronic medical conditions have been found to be associated with microbial agents.

 

True False

Section: 01.04

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23.



Award:



The incidence of deaths from communicable disease is ______ in the United States compared to the entire world.



less



greater



about the same

Section: 01.04

24.



Award:



In which way are bacteria and eukaryotes the same?



Contain a nucleus to hold DNA



Always have a cell wall for rigidity

 

Possess a cell membrane Contain membrane-bound organelles

Section: 01.05

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25.



Award:



In which way are archaea and eukaryotesthe same?



Contain membrane-bound organelles



Possess RNA instead of DNA

 

Have similar ssu rRNA sequences Contain mitochondria for energy production

Section: 01.05

26.



Award:



All bacteria and archaea are microorganisms, but only some eukaryotes are microorganisms.

 

True False

Section: 01.05

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27.





Award:

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?



Lack a nucleus



Cannot be seen without a microscope



Cause human disease



Contain genetic material



Lack cell structure

Section: 01.05

28.





Award:

Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?



Viruses



Fungi



Bacteria



Parasites



Yeasts

Section: 01.05

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29.



Award:



Eukaryotic cells are larger than bacterial or archaeal cells; allcells are larger than macromolecules. Where do viruses fit on this scale?



Viruses are larger than eukaryotic cells.



Viruses are smaller than eukaryotic cells, but larger than bacterial or archaeal cells.

 

Viruses are smaller than bacterial or archaeal cells, but larger than macromolecules. Viruses are smaller than macromolecules.

Section: 01.05

30.



Award:



In general, eukaryotic cells are about ______ times larger than bacterial or archaeal cells.



2



10



50



1000

Section: 01.05

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31.





Award:

Archaealcells are about ______ bacterial cells.



the same size as



ten times smaller than



ten times larger than

Section: 01.05

32.





Award:

Which of the following historical microbiologists is incorrectly paired with his contribution to the science?



Joseph Lister: promoted disinfecting hands and air prior to surgery



Francesco Redi: tested spontaneous generation with meat exposed to the air or covered with cloth

 

Louis Pasteur: demonstrated that anthrax was caused by a bacterium Antonie van Leeuwenhoek:made and used quality magnifying lenses to observe and record microorganisms

Section: 01.06

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33.





Award:

In the experiments constructed by Pasteur to disprove spontaneous generation, swan-necked flasks were used. Why was this shape of flask used in this experiment?



These flask shapes were the easiest and cheapest to produce.



The shape of the glass neck allowed the bacteria into the flask and then into the media, but air could not enter.

 

The glass necks needed to be open to the air, yet constructed so that bacteria would settle in the lowest part of the neck. Because the glass necks were stretched out, the heat used to sterilize the medium inside of the flask could not kill the bacteria in the neck.

Section: 01.06

34.



Award:



Koch's postulates are criteria used to establish that ______.



microbes are found on dust particles



a specific microbe should be classified in a specific kingdom



life forms can only arise from preexisting life forms

 

a specific microbe is the cause of a specific disease microbes can be used to clean up toxic spills

Section: 01.06

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35.



Award:



Which of the following is NOT a recent discovery that has had a huge impact on the understanding of microbiology?



Restriction enzymes



PCR technique



Human microbiome project



Small RNAs



All are significant discoveries.

Refer to the text and read about the recent discoveries that have had a huge impact on the understanding of microbiology.

Section: 01.06

36.



Award:



The sum total of all the microbes in a certain environment is termed the ______.

 

microbial niche microbiome



biofilm



phylogeny



domain

Section: 01.06

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37.



Award:



Which of the following is not a process in the scientific method?

 

Systematic observation Belief in a preconceived idea



Development of a theory



Laboratory experimentation



Formulation ofa hypothesis

Section: 01.06

38.



Award:



Experimentation _______.



provides a means to gather objective data



is designed to refute an hypothesis



is designed to support an hypothesis



is the first step in the scientific method



provides a means to gather subjective data

Section: 01.06

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39.





Award:

The scientific method includes all of the following except ______.

 

observation publication



experimentation



hypothesis

Section: 01.06

40.





Award:

The scientific method involves formulating a tentative explanation, called the hypothesis, to account for what has been observed or measured.

 

True False

Section: 01.06

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41.



Award:



Caring for patients infected with a new virus requires safety precautions for medical personnel. Choosing appropriate procedures is an example of a/an ______ process.

 

inductive deductive



pathogenic



hypothetical