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Microbiology Midterm Exam

Question1
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An irregular cluster of spherical cells would be called a/an
Select one:
a. Palisades
b. Sarcina

c. Staphylococcus
d. Streptococcus
e. Spirilla
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The correct answer is: Staphylococcus

Question2
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The study of the immune response to infection caused by microorganisms is
Select one:
a. Hypersensitivity
b. Epidemiology

c. Immunology
d. Morbidity
e. Geomicrobiology
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The correct answer is: Immunology

Question3
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What is the maximum number of electrons in the first energy shell of an atom?
Select one:

a. 2
b. 4
c. 8
d. 18
e. 32

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The correct answer is: 2

Question4
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The movement of molecules from an area of high concentration to an area of lower concentration is called
Select one:
a. Facilitated diffusion

b. Diffusion
c. Active transport
d. Osmosis
e. Endocytosis
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The correct answer is: Diffusion

Question5
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Viral tissue specificities are called
Select one:
a. Ranges
b. Virions
c. Receptacles

d. Tropisms
e. Uncoating
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The correct answer is: Tropisms

Question6
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The periplasmic space is
Select one:
a. Larger in gram positive bacteria
b. Made up of lipopolysaccharides and phospholipids

c. An important reaction site for substances entering and leaving the cell
d. Where peptidoglycan is located
e. Absent in gram negative bacteria