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Homework: Nov. 4, 2013
• Study for Test 4: Viruses and Bacteria Test…..TOMORROW!
• Place Virus & Bacteria Study Guide on desk, to be checked for completion.
• Place Bacteria Structure Drawing on desk.
• Turn in Virus & Bacteria HW Handout
Test 4: Viruses & Bacteria Test
You and your table are all a team. You have a specific team color.
You also have ziploc bags with answer key cards. I will post the question and you have 30 seconds to decide with your group on an answer.
The team with the most points at the end of the game win a surprise from Mrs. Dennis tomorrow before the test.
Question 1
Why are viruses like parasites?
a.They harm the cells they enter.b.They multiply.c. They use their own energy to develop.d.They make their own food.
Question 1
Why are viruses like parasites?
a.They harm the cells they enter.b.They multiply.c. They use their own energy to develop.d.They make their own food.
Question 2A virus’s proteins are important because
they
a.contain genetic material.b.make new virus particles.c. provide energy for the virus.d.help the virus attach to its host.
Question 2A virus’s proteins are important because
they
a.contain genetic material.b.make new virus particles.c. provide energy for the virus.d.help the virus attach to its host.
Question 3Which shape describes some bacterial
cells?
a.cube-shapedb.bullet-shapedc. spirald.robotlike
Question 3Which shape describes some bacterial
cells?
a.cube-shapedb.bullet-shapedc. spirald.robotlike
Question 4Which of the following is found in the
cytoplasm of bacterial cells?
a.cell membraneb.nucleusc. genetic materiald.flagella
Question 4Which of the following is found in the
cytoplasm of bacterial cells?
a.cell membraneb.nucleusc. genetic materiald.flagella
Question 5
What process results in genetically different bacteria?
a.binary fissionb.respirationc. conjugationd.asexual reproduction
Question 5
What process results in genetically different bacteria?
a.binary fissionb.respirationc. conjugationd.asexual reproduction
Question 6Endospores form during
a.binary fission.b.sunlight hours.c. respiration.d.harsh environmental conditions.
Question 6Endospores form during
a.binary fission.b.sunlight hours.c. respiration.d.harsh environmental conditions.
Question 7What important role do bacteria called
decomposers play?
a.They return basic chemicals to the environment.
b.They slow down food spoilage.c. They kill harmful bacteria.d.They produce vitamins.
Question 7What important role do bacteria called
decomposers play?
a.They return basic chemicals to the environment.
b.They slow down food spoilage.c. They kill harmful bacteria.d.They produce vitamins.
Question 8Which of the following is NOT a role of
bacteria that live in human bodies?
a.digesting foodb.competing for space with disease-
causing bacteriac. making vitaminsd.fixing nitrogen
Question 8Which of the following is NOT a role of
bacteria that live in human bodies?
a.digesting foodb.competing for space with disease-
causing bacteriac. making vitaminsd.fixing nitrogen
Question 9
The best treatment for most viral infections is
a.an over-the-counter medication.b.a vaccine.c. an antibiotic.d.bed rest.
Question 9
The best treatment for most viral infections is
a.an over-the-counter medication.b.a vaccine.c. an antibiotic.d.bed rest.
Question 10How does a vaccine work?
a.It activates the body’s natural defenses.
b.It weakens the cell walls of bacteria, causing the cells to burst.
c. It treats the symptoms of an infection.
d.It attacks antibiotic-resistant bacteria.
Question 10How does a vaccine work?
a.It activates the body’s natural defenses.
b.It weakens the cell walls of bacteria, causing the cells to burst.
c. It treats the symptoms of an infection.
d.It attacks antibiotic-resistant bacteria.
Question 11Binary fission is the bacterial process of
a.asexual reproduction.b.obtaining food.c. producing energy.d.forming endospores.
Question 11Binary fission is the bacterial process of
a.asexual reproduction.b.obtaining food.c. producing energy.d.forming endospores.
Question 12 Viruses are considered to be nonliving
because they
a.cannot multiply.b.use energy to grow.c. are smaller than bacteria.d.do not show all the characteristics of
life.
Question 12 Viruses are considered to be nonliving
because they
a.cannot multiply.b.use energy to grow.c. are smaller than bacteria.d.do not show all the characteristics of
life.
Question 13 The process of breaking down food to
release its energy is called
a.conjugation.b.respiration.c. binary fission.d.nutrition.
Question 13 The process of breaking down food to
release its energy is called
a.conjugation.b.respiration.c. binary fission.d.nutrition.
Question 14
Heterotrophic bacteria obtain food by
a.capturing the sun’s energy.b.using the energy from chemicals in
their environment.c. consuming autotrophs and other
heterotrophs.d.helping autotrophs make food.
Question 14
Heterotrophic bacteria obtain food by
a.capturing the sun’s energy.b.using the energy from chemicals in
their environment.c. consuming autotrophs and other
heterotrophs.d.helping autotrophs make food.
Question 15
What directly provides energy for a virus?
a.foodb.its hostc. the sund.a parasite
Question 15
What directly provides energy for a virus?
a.foodb.its hostc. the sund.a parasite
Question 16
A hidden virus
a.cannot attach to a host cell.b.becomes part of the host cell’s genetic
material.c. immediately takes over the cell’s
functions.d.attaches to but does not enter the cell.
Question 16
A hidden virus
a.cannot attach to a host cell.b.becomes part of the host cell’s genetic
material.c. immediately takes over the cell’s
functions.d.attaches to but does not enter the cell.
Question 17Which of the following structures are
always found in bacterial cells?
a.nucleib.ribosomesc. flagellad.coats
Question 17Which of the following structures are
always found in bacterial cells?
a.nucleib.ribosomesc. flagellad.coats
Question 18Which of the following stimulates a
person’s body to produce chemicals that destroy viruses or bacteria?
a.antibioticb.vaccinec. toxind.endospore
Question 18Which of the following stimulates a
person’s body to produce chemicals that destroy viruses or bacteria?
a.antibioticb.vaccinec. toxind.endospore
Question 19
A virus’s ________________ containsthe instructions for making newviruses.
Question 19
A virus’s genetic material containsthe instructions for making newviruses.
Question 20
The shape of the__________________on a virus’s coat allows the virus toattach to certain cells.
Question 20
The shape of the proteinson a virus’s coat allows the virus toattach to certain cells.
Question 21Autotrophic bacteria either use the sun’s energy to make food or break down ____________ in theirenvironment.
Question 21Autotrophic bacteria either use the sun’s energy to make food or break down chemicals in theirenvironment.
Question 22Some bacteria move by using a long,whiplike structure called a(n)____________________.
Question 22Some bacteria move by using a long,whiplike structure called a(n)
flagellum.
Question 23Bacteria are called _____________ because their genetic material is notcontained in nuclei.
Question 23Bacteria are called prokaryotebecause their genetic material is notcontained in nuclei.
Question 24Bacterial cells contain structures called ____________________, which are chemical factories where proteins are produced.
Question 24Bacterial cells contain structures called ribosomes, which are chemical factories where proteins are produced.
Question 25Some bacteria are
called______________because they break down large chemicals in dead organisms into small chemicals.
Question 25Some bacteria are called decomposersbecause they break down large chemicals in dead organisms into small chemicals.
Question 26A(n) ____________________ is a substance that stimulates the body to produce chemicals that destroy viruses or bacteria.
Question 26A(n) vaccine is a substance thatstimulates the body to produce chemicals that destroy viruses or bacteria.
Question 27The ability to ____________________ is the only characteristic that viruses share with living organisms.
Question 27The ability to multiply is the only characteristic that viruses share with living organisms.
Question 28The three shapes of the bacteria cells are
__________, ___________, and _____________.
Question 28The three shapes of the bacteria cells are
rodlike, spherical, and spiral.
Question 29
Arrange the steps shown in the diagram in their proper sequence.
Question 29
Arrange the steps shown in the diagram in their proper sequence.
D, A, C, E, B
Question 30
Describe what is happening in part A of the diagram.
Question 30
Describe what is happening in part A of the diagram.The virus is injecting its genetic material into the
bacterium.
Question 31
Describe what is happening in part B of the diagram.
Question 31
Describe what is happening in part B of the diagram.New viruses burst out of cell.
Question 32
Identify the structures inside thebacterium in part C of the diagram.
Question 32
Identify the structures inside thebacterium in part C of the diagram.Squiggly lines are genetic material, and the other
structures are protein coat.
Question 33
Question 33
Does the diagram show the multiplication of an
active virus or hidden virus? Explain.Diagram shows the multiplication of an active virus, since the virus immediately directs the bacteria to produce viral proteins and genetic material.
Question 34
Question 34
Flagella Genetic material
Ribosomes
Cell membrane
Cell wall
Question 34
Flagella Genetic material
Ribosomes
Cell membrane
Cell wall
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