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Straighterline BIO250 Microbiology Graded Exams 1, 2, 3, 4 & Midterm (New Version June 2024)
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Straighterline BIO250 Microbiology Graded Exams 1, 2, 3, 4 & Midterm (New Version June 2024)
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Straighterline BIO250 Microbiology Graded Exam 4 (New Version June 2024)
- Exam (elaborations) • 12 pages • 2024
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Question 1 
Correct 
4.17 points out 
of 4.17 
The best defense against arboviruses is . 
Select one: 
a. prophylactic rifampin 
b. vaccination 
c. vector control 
d. prompt treatment with acyclovir 
Question 2 
Correct 
4.17 points out 
of 4.17 
Meningitis can be caused by a number of microbes, and the causative organism is often 
identified by microscopic observation of the cerebrospinal fluid. Identify the mismatch in 
the following list oforganisms and the description of the microscopic obse...
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Straighterline BIO250 Microbiology Graded Exam 3 (New Version June 2024)
- Exam (elaborations) • 11 pages • 2024
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Question 1 
Correct 
4.17 points out 
of 4.17 
Each of the following is inoculation of normal biota to a newborn except . 
Select one: 
a. All of the choices are correct. 
b. contact with hospital staff 
c. the birth process through the birth canal 
d. breastfeeding 
e. bottle feeding 
Question 2 
Correct 
4.17 points out 
of 4.17 
Resident biota are found in/on the . 
Select one: 
a. All of the choices are correct. 
b. large intestine 
c. mouth 
d. nasal passages 
e. skin 
Straighterline BIO250...
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Straighterline BIO250 Microbiology Graded Exam 2 (New Version June 2024)
- Exam (elaborations) • 11 pages • 2024
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Question 1 
Correct 
4.17 points out 
of 4.17 
The movement of substances from higher to lower concentration across a semipermeable 
membrane via a specific protein carrier but without energy expenditure is called . 
Select one: 
a. facilitated diffusion 
b. active transport 
c. diffusion 
d. endocytosis 
e. osmosis 
Question 2 
Correct 
4.17 points out 
of 4.17 
An organism that cannot grow without oxygen is a/an . 
Select one: 
a. facultative anaerobe 
b. obligate anaerobe 
c. aerobe 
d. oblig...
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Straighterline BIO250 Microbiology Graded Exam 1 (New Version June 2024)
- Exam (elaborations) • 11 pages • 2024
- Available in package deal
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- $10.49
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Question 1 
Correct 
4.17 points out 
of 4.17 
The incidence of deaths from communicable disease is in the United States 
compared to the entire world. 
Select one: 
a. less 
b. greater 
c. about the same 
Question 2 
Correct 
4.17 points out 
of 4.17 
Using microbes to detoxify a site contaminated with heavy metals is an example of 
. 
Select one: 
a. immunology 
b. bioremediation 
c. epidemiology 
d. decomposition 
e. biotechnology 
Straighterline BIO250 Microbiology Graded Exam 1 (New Version...
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Straighterline BIO250 Microbiology Midterm Exam (New Version June 2024)
- Exam (elaborations) • 18 pages • 2024
- Available in package deal
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- $10.49
- + learn more
Question 1 
Correct 
4.00 points out 
of 4.00 
Which of the following does not indicate microbe involvement in energy and nutrient flow? 
Select one: 
a. Formation of greenhouse gases, CO 2 and methane 
b. Digestion of complex carbohydrates in animal diets 
c. Decomposition of dead matter and wastes 
d. Thermal hot springs warmed by heat from earth's interior 
Question 2 
Correct 
4.00 points out 
of 4.00 
Which of the following is NOT a recent discovery that has had a huge impact on the 
under...
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