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Micro Midterm
Micro Midterm
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Lets try not to fail
Flashcards
81 cards
F
Practice quiz
P
Host live
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Questions
81
Answers
1
Microorganisms are involved in
causing disease.
All of the choices are correct.
cleaning up pollutants.
curing/treating disease.
2
Viruses acquire envelopes around their nucleocapsids during
adsorption.
release
assembly.
replication
3
Viruses with _____ sense RNA contain the correct message for translation, while viruses with _____ sense RNA
Secondary, primary
Negative, positive
Positive, negative
Primary, secondary
4
Which of the following represents a virus family name?
Picornavirus
Hepatitis B virus
Herpesviridae
Herpes simplex virus
5
Which of the following is
not
a process in the scientific method?
formulate a hypothesis
accept opinions
draw conclusions and report
collect and analyze data
6
The relationship of disease-causing organisms such as a flea to a dog is an example of (a)an
mutualistic
ectoparasite
endoparasite
commensalistic
7
Which of the following is
not
a domain?
Eukarya
Archaea
Bacteria
Protista
8
endoparasite
roundworms
flukes
trypanosomes
tapeworms
9
what is in Fungi cell walls
Glycophorin
Chitin
ATP
pepobismal
10
Slightly curved rod or comma shaped bacteria (such as those noted on the pictured below) are called
spirochete
pleomorphic
vibrio
spirillum
11
Viruses that consist of only a nucleocapsid are considered
incomplete viruses.
complex viruses.
naked viruses.
simple viruses.
12
Virus capsids are made from smaller subunits called
prophages.
envelopes
spikes
capsomeres.
13
Peptidoglycan is a unique macromolecule found in bacterial
cell membranes.
capsules
cell walls.
slime layers.
14
The short, numerous appendages bacteria use to adhere to surfaces or other cells are
fimbriae
cilia.
flagella
periplasmic flagella (axial filaments).
15
All bacterial cells have
ribosomes
capsules.
flagella
cell walls.
16
algae are multicellular
True
False
17
In an experiment, the group used as a basis of comparison is the
Variable group
Experimental group
Empirical group
Control group
18
Protozoan classification is based on their means of
reproduction.
growth
locomotion
obtaining nutrients.
19
Emma's favorite animal
red panda
penguin
lion
fox
20
Which of the following is
correct
about viruses?
can be grown on nutrient agar
have organelles
cannot be seen with a light microscope
are prokaryotic
21
Most species of tapeworms live in the
intestines of vertebrates.
the ass of vertebrates
hearts of vertebrates.
stomachs of vertebrates.
22
Lipopolysaccharide and lipoproteins are found in the outermost cell membrane of
acid fast bacteria
gram positive bacteria
gram negative bacteria
protoplasts
23
Viruses belong to which of the following Kingdoms?
Bacteria
None
Protists
Archaea
24
Fungi are important in
All of the choices are correct.
disease of plants.
production of antibiotics.
food production./spoilage
25
Most fungi obtain nutrients from dead plants and animals. These fungi are called
saprobes
dimorphic
substrates
parasites
26
A/An _____ (insert answer) is the protein shell around the nucleic acid core of a virus.
capsid
spike
capsomere
envelope
27
Helminths belong to which domain of life?
Bacteria
Archaea
Prokarya
Eukarya
28
Organelles found in algae and plants but
not
found in animals are the
chloroplasts
Golgi apparatus
mitochondria
lysosomes
29
The core of every virus particle always contains
either DNA or RNA.
DNA and RNA.
enzymes
DNA
30
The nucleocapsid consists of
the envelope, nucleic acid and capsid.
the nucleic acid along with the capsid.
the nucleic acid of the virus only.
the capsomers assembled into the capsid.
31
Modern approaches to evolutionary taxonomy often involve
biochemical differences.
protein similarities.
comparison of DNA and RNA.
lactose fermentation.
32
Experimentation
Provides a means to gather subjective data
Is designed to refute an hypothesis
Provides a means to gather objective data
Is designed to support an hypothesis
33
Organisms called parasites are
always harmful to their host.
the decomposers in ecosystems.
always a virus.
always classified in the kingdom Monera.
34
The system by which organisms are assigned names is referred to as
systematics.
nomenclature.
cladistics.
naming.
35
The production of endospores inside of a vegetative bacteria cell is called
sporulation
binary fission
endosymbiosis
germination
36
The long, flat bodies of tapeworms are made up of repeating segments known as
gut blocks.
scolex
proglottids
antheridia
37
During the ________ (insert answer) state of bacteriophage infection, the bacteriophage causes lysis of the host cell.
satellite
lytic
lysogenic
viral
38
shapes of bacteria
all of the above
bacilis
spirillum
coccus
39
The primary ecological function of fungi is that of
producer
consumer
decomposer
pathogen
40
The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is
host cell synthesis of viral enzymes and capsid proteins.
adsorption to the host cells.
host cell synthesis of viral enzymes and capsid proteins.
injection of the viral nucleic acid into the host cell.
41
Which of the following is found in eukaryotic cells but
not
in prokaryotic cells?
nucleus
endoplasmic reticulum
all are correct
mitochondria
42
This structure protects the viral genome while the virus is outside the host cell
nucleic acid.
none
envelope.
capsid
43
Animal viruses are divided into a number of genera (genus) whose names end in
-eieio.
-viridae.
-virus.
viscous
44
The correct sequence of events in animal viral multiplication is
Penetration, uncoating, synthesis, adsorption, assembly, release
Assembly, synthesis, uncoating, release, penetration, adsorption
Adsorption, release, synthesis, uncoating, assembly, penetration
Adsorption, penetration, uncoating, synthesis, assembly, release
45
The protein projections on the surface of a virus that are involved in attachment to the host cell are called
pili.
cilia.
spikes.
suckers
46
Trematodes are called
roundworms
tapeworms
Flukes
47
The term that refers to the presence of two flagella, one at each end is
monotrichous
amphitrichous
lophotrichous
atrichous
48
how are you feeling about the midterm :)
GREAT :)
okay
imma fail
not good
49
Whose work first demonstrated the existence of a very heat-resistant form of microbes?
Redi
Tyndall
Schwann
Pasteur
50
Which is
not
part of the correct description of a protozoan?
heterotrophic
usually motile
multicellular
eukaryotic
51
All "true" bacteria are classified as belonging to the
Eubacteria
Protista
Fungi
Microbia
52
Living things ordinarily too small to be seen with the unaided eye are termed
Bacteria
Parasites
Viruses
Microorganisms
53
Fungi Groups
Zygomycota
Ascomycota
Chytridmycota
Basidiomycota
54
Mad-cow disease is caused by a
bacterium
ur mom
prion.
virion.
55
One-celled species of fungi such as
Saccharomyces cerevisiae
(used in bread- and beer-making) are commonly known as
Molds
Yeast
Viruses
Bacteria
56
The basic taxonomic unit in the classification scheme of plants and animals is
species.
kingdom
genus
class
57
The three domain classification scheme uses
plants, animals, bacteria.
Archaea, Bacteria, Eucarya.
order, phylum, class.
protista, prokaryotae, fungaea.
58
The scientific method includes all of the following
except
Hypothesis
Control group
Experimentation
Theory
59
Creutzfeld-Jacob disease is
initiated by an oncogenic virus.
a spongiform encephalopathy of humans.
also called "mad cow disease."
caused by a chronic latent virus.
60
cestodes are called
tapeworms
flukes
roundworms
61
The concept that human and animal diseases are caused by microorganisms is called the
disease theory
germ theory
causative theory
cell theory
62
In addition to lysis, animal viruses may exit the host cell by
fission
extrusion
budding
fusion
63
The rigid, tubular structure allows transfer of genes between two gram negative bacteria is
periplasmic flagella
sex pilus
cilia
flagella
64
Which of the following is a type of cytopathic effect?
All of the choices are correct.
Altered DNA/cells lyse
inclusion bodies in the cytoplasm
multinucleated giant cells
65
The microorganisms that do
not
have a nucleus in their cells are called
prokaryotes
decomposers
eukaryotes
pathogens
66
Nematodes
have flat segmented bodies
are found in the gastrointestinal tract or the blood
are roundworms
are roundworms and are found in the gastrointestinal tract or the blood
67
In the new 3 domain system, the kingdom Monera is now divided into the _____ (insert answer) domains
Archea and (Eu)Bacteria
Animalia and Plantae
Archea and Plantae
Bacteria and Virus
68
Which of the following will not support viral cultivation?
continuous cell cultures
live lab animals
embryonated bird eggs
All are used
69
Chains of round cells (such as those pictured below) are called
staphylococcus
sarcina
streptococcus
staphylobacillus
70
nematodes are called?
roundworms
tapeworms
flukes
71
Which scientific field is involved in the identification, classification and naming of organisms?
Taxonomy
Nomenclature
Woesean classification
Phylogeny
72
The antibiotic penicillin and lysozyme work best on
gram negative bacteria
gram positive bacteria
cell membranes
bacteria without cell walls
73
A yeast able to exist in a yeast or hyphal form is
dimorphic
diurnal
dioecious
dichotomous.
74
The idea of Spontaneous Generation postulated that
organisms could evolve into the next generation of organisms.
organisms could spontaneously combust.
living organisms could spontaneously arise from non-living material.
organisms could spontaneously arise from other living organisms.
75
One of the principal capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to as a(n) _____ capsid.
Complex
Icosahedral
Helical
Spiked
76
Bacteria a single flagella emerging from one end are said to be
monotrichous
amphitrichous.
peritrichous.
lophotrichous
77
Mammalian viruses capable of starting tumors are
chronic latent viruses.
syncytia
inclusion bodies.
oncoviruses
78
An explanation for a biological process that is substantiated by a growing body of evidence is called a
theory
systems biology.
prediction
hypothesis
79
Fungi are classified according to their
morphology.
method of sexual reproduction.
mode of locomotion.
mode of nutrition.
80
A function that the glycocalyx does
not
have for a bacterium is:
Protection from immune system cells
Production of biofilms
Attachment
Protein synthesis
81
The scientific name for the Golden crayfish is
Orconectes
luteus
. The correct name of the genus for this name is
Orconectes luteus.
O. luteus.
Orconectes.
luteus.