Alters Quiz #2
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Part 1 of 3 - 20.0/ 35.0 Points
Question 1 of 20 5.0/ 5.0 Points
For cancer to occur, initiated cells must undergo:
Correct
A. promotion
B. differentiation
C. regulation
D. progression
Answer Key: A
Feedback: Very good!
Question 2 of 20 5.0/ 5.0 Points
Which of these cells contains the full complement of hereditary material for its species?
Correct
A. somatic cell
B. sperm
C. All of the above
D. egg
Answer Key: A
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Question 3 of 20 5.0/ 5.0 Points
How many different forms of cancer exist?
A. 100
B. 2-3
C. 20-50
Correct
D. more than 200
Answer Key: D
Feedback: Excellent!
Question 4 of 20 0.0/ 5.0 Points
During what event of meiosis will chiasmata be observed?
A. interphase
B. interkinesis
C. crossing over
Incorrect
D. prophase II
Answer Key: C
Feedback: Please review Chapter 12.
Question 5 of 20 0.0/ 5.0 Points
What causes mutations in proto-oncogenes and in tumor-suppressor genes?
A. inheritance
B. radiation
C. All of the above
Incorrect
D. viruses
Answer Key: C
Feedback: Please review Chapter 12.
Question 6 of 20 5.0/ 5.0 Points
Spindle fibers are composed of:
A. microfilaments
B. myosin filaments
Correct
C. microtubules
D. actin filaments
Answer Key: C
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Question 7 of 20 0.0/ 5.0 Points
A cell that is haploid
A. is an egg
Incorrect
B. contains only one chromosome from each pair in the parent cell
C. is a sperm
D. All of the above
Answer Key: D
Feedback: Please review Chapter 12.
Part 2 of 3 - 30.0/ 35.0 Points
Question 8 of 20 5.0/ 5.0 Points
Which two viruses are spread by sexual contact:
Correct
A. Human papillomavirus and HIV.
B. TMV and influenza virus
C. TMV and HIV
D. Human papillomavirus and influenza virus
Answer Key: A
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Question 9 of 20 5.0/ 5.0 Points
Mononucleosis is caused by the following virus:
Correct
A. EBV
B. RSV
C. HTLV
D. TMV
Answer Key: A
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Question 10 of 20 5.0/ 5.0 Points
Which statement best describes viruses
A. They are eukaryotes
Correct
B. They are non-living infectious agents
C. They are related to archaea
D. They are prokaryotes
Answer Key: B
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Question 11 of 20 5.0/ 5.0 Points
Which is not a feature of the lytic life cycle of a virus:
A. Insert its DNA into the host
B. Enters its nucleic acid into cell
C. Breaks open host cell
Correct
D. Attaches to cell receptor
Answer Key: D
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Question 12 of 20 0.0/ 5.0 Points
What feature of plant cells protects them from viruses?
A. Low pH of the cytoplasm
B. Plasmodesmata
Incorrect
C. Cell membrane
D. Cell wall
Answer Key: D
Feedback: Please review Chapter 19.
Question 13 of 20 5.0/ 5.0 Points
The “overcoat” of a virus is called the:
Correct
A. Capsid
B. Outer layer
C. Encapsule
D. Viroid
Answer Key: A
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Question 14 of 20 5.0/ 5.0 Points
Scientists do not classify viruses with other living things for the following reason:
A. They lack a cell membrane
B. They have no genetic material
C. They are obligate parasites
Correct
D. They are nonliving
Answer Key: D
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Part 3 of 3 - 25.0/ 30.0 Points
Question 15 of 20 0.0/ 5.0 Points
This group possesses that most common types of algae:
A. Brown algae
Incorrect
B. Red algae
C. Diatoms
D. Green algae
Answer Key: D
Feedback: Please review Chapter 20.
Question 16 of 20 5.0/ 5.0 Points
Which protist is associated with female urinary tract infections?
Correct
A. Trichomonas
B. Trypanosoma
C. Euglena
D. Amoeba
Answer Key: A
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Question 17 of 20 5.0/ 5.0 Points
Malaria belongs to a disease-causing group of protists called:
A. Ciliates
B. Flagellate
C. Rhizopoda.
Correct
D. Sporozoan
Answer Key: D
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Question 18 of 20 5.0/ 5.0 Points
Which type of protist is likely to be found infecting aquarium fish?
Correct
A. Water molds
B. Green algae
C. Red algae
D. Slime molds
Answer Key: A
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Question 19 of 20 5.0/ 5.0 Points
Amoeba have the following characteristic when view through the microscope:
A. Spherical
B. Shaped like a teardrop
Correct
C. Shapeless
D. Rod-shaped
Answer Key: C
Feedback: Excellent!
Question 20 of 20 5.0/ 5.0 Points
Which group of protists has the appearance of a large gooey mass found on soil?
Correct
A. Slime molds
B. Flagellates
C. Brown algae
D. Green algae
Answer Key: A
Feedback: Very good!
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