Bio 1010C (Unit 5 - Quiz 2)

Front 1

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
Louis Pasteur is credited with having coined the term "virus"

Back 1

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True-
Louis Pasteur is credited with having coined the term "virus"

Front 2

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Louis Pasteur is credited with having coined the term "virus" in this year:
a) 1904
b) 1804
c) 1884
d) 1784
e) none of the above

Back 2

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Louis Pasteur is credited with having coined the term "virus" in this year:
c) 1884

Front 3

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Louis Pasteur was studying this disease when he was credited with coining the term "virus":
a) Influenza
b) Tetanus
c) Smallpox
d) Cancer
e) none of the above

Back 3

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Louis Pasteur was studying this disease when he was credited with coining the term "virus":
e) none of the above
He was studying RABIES

Front 4

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Scientists on a Russian tobacco farm found sick leaves and injected the liquified filtrate of the leaves into healthy plants for the following reason:
a) To verify that all disease organisms were filtered out
b) To prove that the organisms responsible for the disease were fungi
c) To disprove Louis Pasteur's research
d) more than one above
e) none of the above

Back 4

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Scientists on a Russian tobacco farm found sick leaves and injected the liquified filtrate of the leaves into healthy plants for the following reason:
a) To verify that all disease organisms were filtered out
( in doing so, they proved that the disease was smaller than bacteria )

Front 5

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The translation (from French) of the word "virus":
a) Rabies
b) Tetanus
c) Fire
d) Cancer
e) none of the above

Back 5

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The translation (from French) of the word "virus":
e) none of the above
Virus is the French word for POISON

Front 6

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
In comparing viruses with bacteria:
a) bacteria are smaller; bacteria are not affected by alcohol
b) viruses cannot be crystalized (when dehydrated); viruses have no DNA
c) viruses are much smaller; viruses are killed by alcohol
d) viruses have no metabolism; viruses have no cellular structure
e) none of the above

Back 6

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

In comparing viruses with bacteria:
d) viruses have no metabolism; viruses have no cellular structure

Front 7

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The kingdom to which MOST viruses belong:
a) Monera
b) Protista
c) Plantae
d) Fungi
e) none of the above

Back 7

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The kingdom to which MOST viruses belong:
e) none of the above
Kingdoms currently apply ONLY to LIVING organisms. Viruses are not considered to be living, as they do NOT posses the following characteristics of ALL living things:
1) Cellular structure
2) Metabolism (chemical reactions within all living things)
3) Life (self-sustaining, biological processes)

Front 8

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
ALL viruses are much smaller than bacteria and cannot be seen with standard optical microscopes

Back 8

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True-
ALL viruses are much smaller than bacteria and cannot be seen with standard optical microscopes

Front 9

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
Only a few viruses cannot be killed by alcohol

Back 9

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
NO viruses can be killed by alcohol

Front 10

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
Viruses are crystalline in structure

Back 10

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
Active viruses are NOT crystalline in structure
However, viruses can be crystallized when dehydrated

Front 11

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
Viruses have a special (unique) metabolism that is not shared with any other organism

Back 11

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
Viruses have NO metabolism

Front 12

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
Viruses have a special (unique) cellular structure that is not shared with any other organism

Back 12

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
Viruses have NO cellular structure

Front 13

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The structure of ALL viruses (as a minimum):
a) Protein Capsule (outside); Nucleus (inside)
b) Protein Capsid (outside); Nucleus (inside)
c) Protein Capsule (outside); Nucleic acid (inside)
d) Protein Capsid (outside); Nucleic acid (inside)
e) none of the above

Back 13

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The structure of ALL viruses (as a minimum):
d) Protein Capsid (outside); Nucleic acid (inside)

Front 14

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
Viruses contain one or more nucleic acids

Back 14

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
Viruses contain ONLY one nucleic acid (either DNA or RNA)

Front 15

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Viruses that contain only DNA are called:
a) DNA viruses
b) Deoxyribonucleic viruses
c) Compound viruses
d) Complete viruses
e) Whole viruses

Back 15

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Viruses that contain only DNA are called:
a) DNA viruses

Front 16

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Viruses that contain only RNA are called:
a) RNA viruses
b) Ribonucleic viruses
c) Simple viruses
d) Retroviruses
e) Partial viruses

Back 16

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Viruses that contain only RNA are called:
d) Retroviruses

Front 17

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
In comparing RNA to DNA:
a) RNA has one more strand of nucleic acids; RNA nucleotide bases are G, A, T, C
b) RNA has one strand of nucleic acids; RNA nucleotide bases are U (uracil), G, A, C
c) DNA has one more strand of nucleic acids; DNA nucleotide bases are G, A, T, C
d) more than one above
e) none of the above

Back 17

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)


In comparing RNA to DNA:
d) more than one above
( b & c )
b) RNA has one strand of nucleic acids; RNA nucleotide bases are U (uracil), G, A, C
c) DNA has one more strand of nucleic acids; DNA nucleotide bases are G, A, T, C

Front 18

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
In comparing RNA to DNA:
a) RNA is located in the nucleus only; the sugar is Ribose
b) RNA is located in the nucleus and cytoplasm; the sugar is Ribose
c) DNA is located in the nucleus only; the sugar is Deoxyribose
d) more than one above
e) none of the above

Back 18

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

In comparing RNA to DNA:
d) more than one above
( b & c )
b) RNA is located in the nucleus and cytoplasm; the sugar is Ribose
c) DNA is located in the nucleus only; the sugar is Deoxyribose

Front 19

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
In cells, DNA is located within both the nucleus and the cytoplasm

Back 19

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
In cells, DNA is located only within the NUCLEUS

Front 20

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
The Lytic Cycle of viruses derives its name from the latin word "lys" (to kill)

Back 20

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True-
The Lytic Cycle of viruses derives its name from the latin word "lys" (to kill)

Front 21

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The Lytic Cycle of viruses is also known as:
a) Obligatory Intercellular Parasites
b) Obligatory Intracellular Parasites
c) Obligate Intercellular Parasites
d) Obligate Intracellular Parasites
e) none of the above

Back 21

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The Lytic Cycle of viruses is also known as:
d) Obligate Intracellular Parasites
(must be) (within cells) (to destroy)

Front 22

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The appplication of the terms Virus; Virion, and Phage:
a) attacking; bodies; same as virus (in a host)
b) attacking; cells; another name for Virion
c) attacking; host; same as virus (in a host)
d) host; cells, same as virus (in a host)
e) none of the above

Back 22

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The appplication of the terms Virus; Virion, and Phage:
a) attacking; bodies; same as virus (in a host)

Front 23

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Definition of a Bacteriophage:
a) a virus that mimics a bacteria
b) a bacteria that mimics a virus
c) a virus that attaches itself to a bacteria to infect a third-party host
d) a virus that attacks a bacteria
e) a bacteria that attacks a virus

Back 23

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Definition of a Bacteriophage:
d) a virus that attacks a bacteria

Front 24

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
A plant phage is a bacteria that has a retrovirus "riding on it" as it infects a plant

Back 24

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
A plant phage is a virus that infects plants

Front 25

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
An animal phage is a virus that possesses the metabolic characteristics of animals

Back 25

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
An animal phage is a virus that attacks animals

Front 26

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
When a virus lands on its host cell:
a) the entire virus penetrates the host cell membrane to attack the nucleus of the host cell
b) the nucleus of the virus penetrates the host cell membrane to attack the nucleus of the host cell
c) the nucleotides of the virus penetrate the host cell membrane to attach to the DNA of the host cell
d) the nucleic acid of the virus penetrates the host cell membrane to attach to the DNA of the host cell
e) the nucleotides of the virus penetrate the host cell membrane to attach to the RNA of the host cell

Back 26

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
When a virus lands on its host cell:

d) the nucleic acid of the virus penetrates the host cell membrane to attach to the DNA of the host cell

Front 27

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
When a DNA virus attacks the interior of its host cell:
a) the viral DNA commands the host to make RNA
b) the viral DNA commands the host to stop reproducing (and ultimately die)
c) the viral DNA commands the host to start dividing prematurely, and the host dies from "starvation"
d) the viral DNA commands the host to replicate (make) new viruses
e) none of the above

Back 27

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

When a DNA virus attacks the interior of its host cell:
d) the viral DNA commands the host to replicate (make) new viruses

Front 28

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The approximate point at which a virus actually kills each host cell, releasing the replicated (viral) DNA to infect the surrounding cells:
a) after 1000 viruses have been generated
b) after 1 million viruses have been generated
c) after 24-48 hours
d) after 100 viruses have been generated
e) none of the above

Back 28

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The approximate point at which a virus actually kills each host cell, releasing the replicated (viral) DNA to infect the surrounding cells:
d) after 100 viruses have been generated

Front 29

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The terms "prophage" and "provirus" are associated with:
a) the Lysogenic cycle
b) the Lysonomic cycle
c) the Purulent cycle
d) the Temperate cycle
e) none of the above

Back 29

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The terms "prophage" and "provirus" are associated with:
a) the Lysogenic cycle

Front 30

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The terms "prophage" and "provirus" are alternative terms for:
a) Temporary Infection
b) Virulent Infection
c) Bacteriophages
d) Temperate Infection
e) none of the above

Back 30

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The terms "prophage" and "provirus" are alternative terms for:
d) Temperate Infection
( HINT: Opposite of Virulent Infection; this is an example of a virus that is "dormant" for awhile and shows no immediate symptoms)

Front 31

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
The opposite of a Virulent Infection is a Temporary Infection

Back 31

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
The opposite of a Virulent Infection is a TEMPERATE Infection
(a.k.a. "prophage" or "provirus")

Front 32

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
ALL Retroviruses contain both DNA and RNA

Back 32

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
NO Retroviruses contain both DNA and RNA; retroviruses contain ONLY RNA

Front 33

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
Some Retroviruses contain ONLY RNA

Back 33

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
ALL Retroviruses contain ONLY RNA

Front 34

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
AIDS is an example of a Retrovirus

Back 34

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True-
AIDS is an example of a Retrovirus

Front 35

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
The term retrovirus derives its name from the fact that the virus contains RNA that must be changed "back to" (retro) DNA in order to infect its host

Back 35

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True-
The term retrovirus derives its name from the fact that the virus contains RNA that must be changed "back to" (retro) DNA in order to infect its host

Front 36

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The enzyme that is responsible for converting RNA to DNA:
a) Transcripted Reversetase
b) R-DNA Factor
c) Viroid amylase
d) Retrotranscriptase
e) none of the above

Back 36

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The enzyme that is responsible for converting RNA to DNA:
e) none of the above
( Reverse Transcriptase )

Front 37

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Viroids are also known as:
a) Transcripted viruses
b) Amalgamated transcriptase
c) "Naked viruses"
d) "Stripper viruses"
e) Non-capsidal viruses

Back 37

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Viroids are also known as:
c) "Naked viruses"
( Viroids contain no capsid, only RNA; they are therefore retroviruses )

Front 38

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Viroids contain:
a) DNA only
b) Amalgamated transcriptase
c) RNA only
d) either DNA or RNA
e) none of the above

Back 38

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
Viroids contain:
c) RNA only
(Viroids are therefore only retroviruses, as they contain no DNA)

Front 39

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The 5 means by which humans overcome viruses include:
a) Rest, Vitamins, Oxygen therapy, Interamylase (protein), Antibodies (immune system defenses)
b) Rest, Vitamins, Water (flushes fluids from cells), Interamylase, Antibodies
c) Rest, Vitamins, Sunlight (generates Vitamin A), Interamylase, Antibodies
d) Rest, Vitamins, Alcohol (kills viruses on contact), Interamylase, Antibodies
e) none of the above

Back 39

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

The 5 means by which humans overcome viruses include:
e) none of the above
(Rest, Vitamins, Water, INTERFERON [infected cells release this protein in very small quantities to protect neighboring cells from viruses], and Antibodies)

Front 40

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

Multiple Choice:
The single MOST important means by which humans overcome viruses:
a) Rest and Sunlight
b) Vitamins and Water
c) Interamylase
d) Antibodies
e) none of the above

Back 40

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)
d) Antibodies
( Rest, Vitamins, Water, and Interferon are all important, but none of these is as SINGULARLY effective in fighting disease as Antibodies )

Front 41

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

True / False:
The most lethal type of viruses in humans are the Viroids

Back 41

Lecture Date: THU, 8.03.06
Subject: VIRUSES (part 2)

False-
Viroids are only known to infect plants