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Study sets matching "microbiology viruses chapter 13"

63 terms
Chapter 13: Viruses Microbiology
Viruses
host range
bacteriophages
phage therapy
obligatory intracellular parasites and small;... contain a singl…
the spectrum of host cells the virus can infect; some can onl…
viruses that infect bacteria
using bacteriophage to treat bacterial infections
Viruses
obligatory intracellular parasites and small;... contain a singl…
host range
the spectrum of host cells the virus can infect; some can onl…
42 terms
Microbiology: Viruses Chapter 13
What was the First to proposed the ter…
What does " VIRUS " mean in Latin
How do we see viruses ?
Can virus infect every type of cell ?…
Louis Pasteur
Poison
By looking through a microscope
True
What was the First to proposed the ter…
Louis Pasteur
What does " VIRUS " mean in Latin
Poison
73 terms
Microbiology chapter 13 Viruses
"virus" means?
What is the debate about viruses?
What kind of nucleic acids do viruses…
List 3 characteristics of a viral stru…
poison
Are the alive, because they are acellular and can only replic…
DNA or RNA never both
Capsid, Some are enclosed in envelopes(w/lipid, carb, and pro…
"virus" means?
poison
What is the debate about viruses?
Are the alive, because they are acellular and can only replic…
42 terms
Microbiology Chapter 13: Viruses & Prions
virus
non-living
obligate
intracellular
a submicroscopic, parasitic, filterable agent consisting of a…
are viruses considered living or non-living?
restricted to a particular function or mode of life
located or occurring within a cell or cells
virus
a submicroscopic, parasitic, filterable agent consisting of a…
non-living
are viruses considered living or non-living?
53 terms
Microbiology Chapter 13 Viruses
Provirus
Viruses
Capsomere
Flu
DNA integrated into host genome
obligatory intracellular parasites, contain DNA or RNA, envel…
the protein subunit that makes up a capsid
enveloped virus
Provirus
DNA integrated into host genome
Viruses
obligatory intracellular parasites, contain DNA or RNA, envel…
123 terms
Microbiology Chapter 13 Viruses
The term filterable viruses was coined…
Crystallization of Tobacco Mosaic Viru…
Viruses that infect bacteria are refer…
A virion is a(n)... pathogenic virus.... s…
Beijerinck.
Stanley
bacteroiphages
complete, extracellular virus particle.
The term filterable viruses was coined…
Beijerinck.
Crystallization of Tobacco Mosaic Viru…
Stanley
39 terms
Microbiology--Chapter 13 Viruses
Host Range
Bacteriophages/Phages
Virion
capsid
the spectrum of host cells the virus can infect
viruses that can infect bacteria
a complete, fully developed, infectious particle composed of…
Protein coat surrounding a virus
Host Range
the spectrum of host cells the virus can infect
Bacteriophages/Phages
viruses that can infect bacteria
48 terms
Microbiology Chapter 13 - Viruses
What are the basic components of a vir…
Why are viruses considered to be non-l…
Can viruses have both DNA and RNA?
Viruses are _______ parasites.
nucleic acid with a protein coating
No mechanisms to generate energy or carry out metabolism. Exi…
negative ghostrider
obligatory intracellular
What are the basic components of a vir…
nucleic acid with a protein coating
Why are viruses considered to be non-l…
No mechanisms to generate energy or carry out metabolism. Exi…
27 terms
Microbiology Viruses Chapter 13
What are viruses?
Viruses in an extracellular state
Viruses in an intracellular state
Genetic material of viruses
Minuscule, acellular, infectious agents having either DNA or…
Called virion, have protein coat (capsid) surrounding nucleic…
Capsid removed, virus exists as nucleic acid
May be DNA or RNA, but never both: can be dsDNA, ssDNA, dsRNA…
What are viruses?
Minuscule, acellular, infectious agents having either DNA or…
Viruses in an extracellular state
Called virion, have protein coat (capsid) surrounding nucleic…
63 terms
Chapter 13: Viruses Microbiology
Viruses
host range
bacteriophages
phage therapy
obligatory intracellular parasites and small;... contain a singl…
the spectrum of host cells the virus can infect; some can onl…
viruses that infect bacteria
using bacteriophage to treat bacterial infections
Viruses
obligatory intracellular parasites and small;... contain a singl…
host range
the spectrum of host cells the virus can infect; some can onl…
63 terms
Chapter 13: Viruses Microbiology
Viruses
host range
bacteriophages
phage therapy
obligatory intracellular parasites and small;... contain a singl…
the spectrum of host cells the virus can infect; some can onl…
viruses that infect bacteria
using bacteriophage to treat bacterial infections
Viruses
obligatory intracellular parasites and small;... contain a singl…
host range
the spectrum of host cells the virus can infect; some can onl…
11 terms
Microbiology Chapter 13 Viruses
Papillomavirus
Poliovirus
Retrovirus
Latent Viral infection
-animal virus... -DNA virus... -causes warts ... -transmitted by direc…
-RNA virus... -transmitted via fecal-oral route, through contami…
-RNA virus... -uses reverse transcriptase which uses RNA as a te…
-does not cause problems until activated... -ex: Herpes simplex…
Papillomavirus
-animal virus... -DNA virus... -causes warts ... -transmitted by direc…
Poliovirus
-RNA virus... -transmitted via fecal-oral route, through contami…
56 terms
Microbiology chapter 13 viruses
Life
Virus alive?
Virus genetic material
Virus Structure
A complex set of processes resulting from the actions of prot…
Kinda but no. Doesn't metabolize, replicate genetic mats, mul…
RNA or DNA, never both... Linear or circular... May be segmented
Maybe envelope... Capsid/ protein coat... Genetic mats... Matrix- bw e…
Life
A complex set of processes resulting from the actions of prot…
Virus alive?
Kinda but no. Doesn't metabolize, replicate genetic mats, mul…
11 terms
Viruses Chapter 13-microbiology
what is a virus
can a virus survive outside a cell
how does a virus work
what type of nucleic acid do viruses c…
obilgatory intracellular parasite
no, it has no metabolism... must be in a cell to reproduce
it takes over the cell functions to produce structural protei…
only one, either DNA or RNA
what is a virus
obilgatory intracellular parasite
can a virus survive outside a cell
no, it has no metabolism... must be in a cell to reproduce
60 terms
Microbiology 210 - Chapter 13 ( Viruses) Study Guide
characteristics of Viruses
Louis Pasteur
Iwanowski & Beijernick
Loeffler & Frosch
- Lack Enzyme for PROTEIN & ATP synthesis ... - Contain DNA o…
- Developed First Rabbies Vaccine ... - Which Famous Microbio…
-Beginning of Virology ... - Tobacco Mosiac Virus ( First Vir…
- Microbiologist that Discovered Foot and Mouth disease in…
characteristics of Viruses
- Lack Enzyme for PROTEIN & ATP synthesis ... - Contain DNA o…
Louis Pasteur
- Developed First Rabbies Vaccine ... - Which Famous Microbio…
23 terms
Microbiology Chapter 13 Viruses
Viruses (virions)
structure of viruses
Nucleic acid and Protein capsid
DNA
are nonliving, obligate intracellular parasites of living org…
Protein coat surrounding nucleic acids ("Genome")
what are the two main structure of viruses
Linear or Circular, double stranded or single stranded
Viruses (virions)
are nonliving, obligate intracellular parasites of living org…
structure of viruses
Protein coat surrounding nucleic acids ("Genome")
22 terms
Microbiology: Chapter 13 Viruses
Viruses
Virion
Components of a Virus
Core
-contain either DNA or RNA... -multiply inside cells using cells…
Fully developed virus particle
-core... -capsid... -envelope (not always)... -glycoproteins spikes (n…
Nucleic acid that codes for synthesis of replication
Viruses
-contain either DNA or RNA... -multiply inside cells using cells…
Virion
Fully developed virus particle
26 terms
Chapter 13 microbiology viruses
viruses are
Viruses only replicate
viruses have
structure of a virus include
obligate intracellular parasites
in host cells
few or no enzymes of their own
Genome, Capsid, Maybe an envelope
viruses are
obligate intracellular parasites
Viruses only replicate
in host cells
22 terms
Microbiology Chapter 13- Viruses
bacteriophage
viron
nucleocapsid
capsomere
model systems... vehicles for horizontal gene transfer... affect en…
a complete virus particle that consists of an RNA or DNA core…
nucleic acid... -either DNA or RNA... -linear or circular or fragme…
identical subunits determine the shape of a virus
bacteriophage
model systems... vehicles for horizontal gene transfer... affect en…
viron
a complete virus particle that consists of an RNA or DNA core…
63 terms
Chapter 13: Viruses Microbiology
Viruses
host range
bacteriophages
phage therapy
obligatory intracellular parasites and small;... contain a singl…
the spectrum of host cells the virus can infect; some can onl…
viruses that infect bacteria
using bacteriophage to treat bacterial infections
Viruses
obligatory intracellular parasites and small;... contain a singl…
host range
the spectrum of host cells the virus can infect; some can onl…
10 terms
Microbiology Chapter 13 viruses
Rhabdoviridae
Parvoviridae
Picornaviridae
Retroviridae
Single-stranded RNA
Single-stranded DNA; nonenveloped
Single-stranded RNA; nonenveloped
Single-stranded RNA; produces DNA
Rhabdoviridae
Single-stranded RNA
Parvoviridae
Single-stranded DNA; nonenveloped
44 terms
Microbiology: Chapter 13 Viruses
Lysogenic replication (Lysongeny)
Lysogenic phages (Temperate Phages)
Prophage
Provirus
Infect host cell groups and replicates normally for generatio…
Non-lytic form of a virus. Continues in host as host replicat…
Codes for repressor protein that suppresses the lytic cycle.…
Infecting virus is incorporated into host chromosomes. Virus…
Lysogenic replication (Lysongeny)
Infect host cell groups and replicates normally for generatio…
Lysogenic phages (Temperate Phages)
Non-lytic form of a virus. Continues in host as host replicat…
66 terms
Microbiology Chapter 13 Viruses
Viruses
What do viruses need to survive?
Viruses contain
How do we identify viruses?
obligate intracellular parasites.
A host (usually human)
Contain DNA and RNA. No ribosomes. No ATP (because it takes o…
Cell cultures
Viruses
obligate intracellular parasites.
What do viruses need to survive?
A host (usually human)
78 terms
microbiology chapter 13: viruses
what kind of parasites are viruses?
what do viruses contain?
what do viruses NOT contain?
the spectrum of host cells a viruses c…
obligatory intracellular
1) DNA OR RNA (only one, not both)... 2) Protein (capsid)
1) ribosomes... 2) ATP-generating mechanisms... 3) NO metabolism
host range
what kind of parasites are viruses?
obligatory intracellular
what do viruses contain?
1) DNA OR RNA (only one, not both)... 2) Protein (capsid)
93 terms
Microbiology Chapter 13: Viruses, Viroids, and Prions
Filterable agent
First human disease to be associated a…
Obligatory intracellular parasites
characteristics of viruses
a virus; too small to be filtered out like bacteria
yellow fever
require living host cells to multiply
contains either DNA or RNA, protein coat, multiply inside liv…
Filterable agent
a virus; too small to be filtered out like bacteria
First human disease to be associated a…
yellow fever
97 terms
Chapter 13 Microbiology: Viruses and Prions
what is the definition of a virus?
what is the definition of bacterium?
viral species
virology
a submicroscopic, parasitic, filterable agent consisting of n…
prokaryotic organism, characterized by peptidoglycan cell walls
group of viruses sharing the same genetic info and ecological…
study of viruses... non-living agents that infect all life forms
what is the definition of a virus?
a submicroscopic, parasitic, filterable agent consisting of n…
what is the definition of bacterium?
prokaryotic organism, characterized by peptidoglycan cell walls
97 terms
Chapter 13 Microbiology: Viruses and Prions
what is the definition of a virus?
what is the definition of bacterium?
viral species
virology
a submicroscopic, parasitic, filterable agent consisting of n…
prokaryotic organism, characterized by peptidoglycan cell walls
group of viruses sharing the same genetic info and ecological…
study of viruses... non-living agents that infect all life forms
what is the definition of a virus?
a submicroscopic, parasitic, filterable agent consisting of n…
what is the definition of bacterium?
prokaryotic organism, characterized by peptidoglycan cell walls
113 terms
Microbiology Chapter 13 Viruses
Virion
What nucleic acid does a virus have?
What is the shape of the nucleic acid?
Capsid
A complete, fully developed, infectious viral particle compos…
DNA or RNA, never both
The nucleic acid can be single strand, double stranded, linea…
Protein coat that surrounds the virion. It counts for the mas…
Virion
A complete, fully developed, infectious viral particle compos…
What nucleic acid does a virus have?
DNA or RNA, never both
135 terms
Microbiology- Chapter 13 Viruses
What does the word virus originate from?
The term virus was originally used by…
What did Pasteur use the term virus for?
What was the first virus discovered?
The latin word poison
Pasteur
To describe infectious agent for rabies
Tobacco mosaic disease virus (TMV) in 1890's
What does the word virus originate from?
The latin word poison
The term virus was originally used by…
Pasteur
82 terms
***Microbiology Chapter 13-Viruses***
Which of the following statements conc…
Which statement concerning viral struc…
How does specialized transduction diff…
What happens to the packaged DNA of a…
The "host range" for a virus is determined by the presence or…
Spikes are found on some viruses. They are very consistent in…
The prophage in specialized transduction carries with it piec…
The host DNA integrates, with the prophage, into the new reci…
Which of the following statements conc…
The "host range" for a virus is determined by the presence or…
Which statement concerning viral struc…
Spikes are found on some viruses. They are very consistent in…
45 terms
Microbiology chapter 13 Viruses
"virus" means?
What is the debate about viruses?
What kind of nucleic acids do viruses…
List 3 characteristics of a viral stru…
poison
Are the alive, because they are acellular and can only replic…
DNA or RNA never both
Capsid, Some are enclosed in envelopes(w/lipid, carb, and pro…
"virus" means?
poison
What is the debate about viruses?
Are the alive, because they are acellular and can only replic…
40 terms
Microbiology: Chapter 13: Viruses, Viroids, Prions
6 Virus Characteristics
Contagium Vivium Fluidium (small)
Tobacco Mosaic Virus (small)
Viron
Exceptionally Small... Acellular - no membranes, cytosols, organ…
1892 Iwanowski Trapped bacteria through filtration, Moved flu…
Wendell Stanley - Saw 1st Viron in 1935 because of Electron M…
Single virus
6 Virus Characteristics
Exceptionally Small... Acellular - no membranes, cytosols, organ…
Contagium Vivium Fluidium (small)
1892 Iwanowski Trapped bacteria through filtration, Moved flu…
51 terms
Microbiology- Ch 13- Viruses
viruses
obligatory, intra, parasites
Host range
virion, virus particle
________ are obligatory intracellular parasites
Viruses are ________, ________cellular ________.
The ______ ______ of viruses is determined by specific host a…
One virus is a _______ or a _______ ______.
viruses
________ are obligatory intracellular parasites
obligatory, intra, parasites
Viruses are ________, ________cellular ________.
73 terms
Microbiology chapter 13 Viruses
"virus" means?
What is the debate about viruses?
What kind of nucleic acids do viruses…
List 3 characteristics of a viral stru…
poison
Are the alive, because they are acellular and can only replic…
DNA or RNA never both
Capsid, Some are enclosed in envelopes(w/lipid, carb, and pro…
"virus" means?
poison
What is the debate about viruses?
Are the alive, because they are acellular and can only replic…
32 terms
Bauman Microbiology Chapter 13 - Characteristics of Viruses
poison
specificity
no life
virus nucleic acids
Latin for virus
All viruses must have a host... Specific to an organism or a typ…
-do not metabolize... -do not grow... -cannot respond to environmen…
DNA and RNA, one or the other but not both... either can be doub…
poison
Latin for virus
specificity
All viruses must have a host... Specific to an organism or a typ…
97 terms
Chapter 13 Microbiology: Viruses and Prions
what is the definition of a virus?
what is the definition of bacterium?
viral species
virology
a submicroscopic, parasitic, filterable agent consisting of n…
prokaryotic organism, characterized by peptidoglycan cell walls
group of viruses sharing the same genetic info and ecological…
study of viruses... non-living agents that infect all life forms
what is the definition of a virus?
a submicroscopic, parasitic, filterable agent consisting of n…
what is the definition of bacterium?
prokaryotic organism, characterized by peptidoglycan cell walls
97 terms
Chapter 13 Microbiology: Viruses and Prions
what is the definition of a virus?
what is the definition of bacterium?
viral species
virology
a submicroscopic, parasitic, filterable agent consisting of n…
prokaryotic organism, characterized by peptidoglycan cell walls
group of viruses sharing the same genetic info and ecological…
study of viruses... non-living agents that infect all life forms
what is the definition of a virus?
a submicroscopic, parasitic, filterable agent consisting of n…
what is the definition of bacterium?
prokaryotic organism, characterized by peptidoglycan cell walls
75 terms
Microbiology Chapter 13: Viruses, Viroids, and Prions
How can viruses be distinguished from…
Obligatory intracellular parasites
What was the first virus seen under a…
Characteristics of viruses
1. Small... 2. DNA/ RNA not both... 3. Ribosomes... 4. ATP... 5. Protein…
require living host cells to multiply
Tobacco Mosaic Virus
contains either DNA or RNA, protein coat, multiply inside liv…
How can viruses be distinguished from…
1. Small... 2. DNA/ RNA not both... 3. Ribosomes... 4. ATP... 5. Protein…
Obligatory intracellular parasites
require living host cells to multiply
60 terms
Microbiology Chapter 13 Viruses, Viroids, and Prions
Viruses contain
Virus
Viruses... Certain bacteria, including:... C…
Host range
A single type of nucleic acid (DNA or RNA) and a protein coat…
Any of a large group of submicroscopic infective agents that…
Obligatory intracellular parasites.
refers to the spectrum of host cells in which a virus can mul…
Viruses contain
A single type of nucleic acid (DNA or RNA) and a protein coat…
Virus
Any of a large group of submicroscopic infective agents that…
93 terms
Microbiology Chapter 13: Viruses, Viroids, and Prions
Filterable agent
First human disease to be associated a…
Obligatory intracellular parasites
characteristics of viruses
a virus; too small to be filtered out like bacteria
yellow fever
require living host cells to multiply
contains either DNA or RNA, protein coat, multiply inside liv…
Filterable agent
a virus; too small to be filtered out like bacteria
First human disease to be associated a…
yellow fever
microbiology Chapter 13: Viruses, Viroids, Prions
Viruses
Two parts of a virus
Host range
Virion
Obligate intracellular parasites that can infect all 5 kingdo…
Nucleic acid core and a protein coat
the types of cells a microbe can infect
Fully developed viral particle
Viruses
Obligate intracellular parasites that can infect all 5 kingdo…
Two parts of a virus
Nucleic acid core and a protein coat
16 terms
Microbiology Chapter 13- Viruses and Prions
Viruses
Host Specificity
Capsid
Envelope
need a host to live, obligate intracellular parasites. Contai…
most viruses infect only specific types of cells in one host…
protective coat made of capsomeres
lipids, proteins, carbohydrates. Used to evade immune system.
Viruses
need a host to live, obligate intracellular parasites. Contai…
Host Specificity
most viruses infect only specific types of cells in one host…
93 terms
Microbiology Chapter 13: Viruses, Viroids, and Prions
Filterable agent
First human disease to be associated a…
Obligatory intracellular parasites
characteristics of viruses
a virus; too small to be filtered out like bacteria
yellow fever
require living host cells to multiply
contains either DNA or RNA, protein coat, multiply inside liv…
Filterable agent
a virus; too small to be filtered out like bacteria
First human disease to be associated a…
yellow fever
66 terms
Chapter 13 Microbiology: Viruses and Prions
what is the definition of a virus?
what is the definition of bacterium?
viral species
virology
a submicroscopic, parasitic, filterable agent consisting of n…
prokaryotic organism, characterized by peptidoglycan cell walls
group of viruses sharing the same genetic info and ecological…
study of viruses... non-living agents that infect all life forms
what is the definition of a virus?
a submicroscopic, parasitic, filterable agent consisting of n…
what is the definition of bacterium?
prokaryotic organism, characterized by peptidoglycan cell walls
110 terms
Microbiology Chapter 13: Viruses, Viroids, and Prions
Filterable agent
First human disease to be associated a…
Obligatory intracellular parasites
characteristics of viruses
a virus; too small to be filtered out like bacteria
yellow fever
require living host cells to multiply
contains either DNA or RNA... protein coat... multiply inside livin…
Filterable agent
a virus; too small to be filtered out like bacteria
First human disease to be associated a…
yellow fever
97 terms
Chapter 13 Microbiology: Viruses and Prions
what is the definition of a virus?
what is the definition of bacterium?
viral species
virology
a submicroscopic, parasitic, filterable agent consisting of n…
prokaryotic organism, characterized by peptidoglycan cell walls
group of viruses sharing the same genetic info and ecological…
study of viruses... non-living agents that infect all life forms
what is the definition of a virus?
a submicroscopic, parasitic, filterable agent consisting of n…
what is the definition of bacterium?
prokaryotic organism, characterized by peptidoglycan cell walls
97 terms
Chapter 13 Microbiology: Viruses and Prions
what is the definition of a virus?
what is the definition of bacterium?
viral species
virology
a submicroscopic, parasitic, filterable agent consisting of n…
prokaryotic organism, characterized by peptidoglycan cell walls
group of viruses sharing the same genetic info and ecological…
study of viruses... non-living agents that infect all life forms
what is the definition of a virus?
a submicroscopic, parasitic, filterable agent consisting of n…
what is the definition of bacterium?
prokaryotic organism, characterized by peptidoglycan cell walls
86 terms
Microbiology- Ch 13 cont Viruses
lytic cycle, lysogenic cycle
attachment, penetration, biosynthesis,…
attachment
penetration
All bacteriophages multiply by the ____ _______. Some can als…
Stages of the lytic cycle: ... -__________... -__________... -________…
Stage of the lytic cycle in which the phage attaches by tail…
Stage of the lytic cycle in which phage lysozyme opens cell w…
lytic cycle, lysogenic cycle
All bacteriophages multiply by the ____ _______. Some can als…
attachment, penetration, biosynthesis,…
Stages of the lytic cycle: ... -__________... -__________... -________…
43 terms
Microbiology- Chapter 13: Viruses, Viroids, and Prions
Viruses
Host range
Virion
Capsid
an obligate intracellular parasite that can infect all five k…
types of cells a microbe can infect
a fully developed viral particle
the protein coat
Viruses
an obligate intracellular parasite that can infect all five k…
Host range
types of cells a microbe can infect
17 terms
Microbiology Chapter 13: Viruses, Phage, and prions
Virus
Viral Structure
Viral Morphology
Host Range
-Contain either DNA or RNA... -protein coat: capsid... -multiply in…
-Capsid: protein coat... >single repeated protein or multiple pr…
4 basic shapes... 1. Helical: can bend. ex: coke can w/ends cut…
NOT EVERY TYPE OF VIRUS CAN INFECT EVERY TYPE OF CELL... -determ…
Virus
-Contain either DNA or RNA... -protein coat: capsid... -multiply in…
Viral Structure
-Capsid: protein coat... >single repeated protein or multiple pr…
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