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BIOS 242 Week 4 Midterm Exam: Summer 2021 (Graded A)
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BIOS 242 Week 4 Midterm Exam: Summer 2021 Score for this quiz: 150 out of 150
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BIOS 242 Week 4 Midterm Exam: Summer 2021Score for this quiz: 150 out of 150
Question 1
pts
(CO1) Organisms called parasites are .
Correct!
always harmful to their host
the decomposers in ecosystems
always viruses
free-living
always bacterial
Parasites and Their Roles
Accessibility: Keyboard Navigation
ASM Objective: 02.04 While microscopic eukaryotes (for example, fungi, protozoa, and algae) carry out
some of the same processes as bacteria, many of the cellular properties are fundamentally different.
ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems.
ASM Topic: Module 05 Systems
Blooms Level: 2. Understand
Learning Outcome: 01.08 Identify a fourth type of microorganism.
,Section: 01.05
Topic: Microbial Roles
Question 2
pts
(CO1) 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?
Correct!
The glass necks needed to be open to the air, yet constructed so that bacteria would settle in the lowest
part of the neck.
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.
The shape did not allow any air to go inside the flask but bacteria could
The shape did not have anything to do with spontaneous generation experiment.
Disproval of Spontaneous Generation
Accessibility: Keyboard Navigation
ASM Objective: 07.01a Ability to apply the process of science: Demonstrate an ability to formulate
hypotheses and design experiments based on the scientific method.
ASM Topic: Module 07 Scientific Thinking
Blooms Level: 2. Understand
Learning Outcome: 01.10 Make a time line of the development of microbiology from the 1600s to today.
Section: 01.06
Topic: History of Microbiology
,Question 3
pts
(CO1) Koch's postulates would not be explain disease process of
Strep throat
Plague
Correct Answer
diabetes
You Answered
gastric ulcers
bacterial gastroentritis
Question 4
pts
(CO 1) Viruses can be classified as infectious agents.
prokaryotic
eukaryotic
helminth
Correct!
, acellular
fungal
Question 5
pts
(CO2) The lipid group that is the major component of cell membranes is the .
prostaglandins
waxes
Correct!
phospholipids
steroids
triglycerides
Membranes and Phospholipids
Accessibility: Keyboard Navigation
ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on
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