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Answers may vary but the essay should di...View Answer
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A) Plant cells lack centrioles while animal cells do not.
B) Both plant and animal cells undergo cytokinesis.
C) Mitosis allows growth and increase in size in both plants and animals.
D) Animal cells form a cell plate during cytokinesis while plant cells do not.
F) All of the above
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B) False
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False
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A) consist of both DNA and protein.
B) may occur as chromatin.
C) contain histones responsible for packaging DNA to fit into a small space.
D) All of the choices are correct.
F) All of the above
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A) M phase
B) G1 phase
C) G2 phase
D) S phase
E) G0 phase
G) A) and C)
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B) False
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A) to produce an individual to the donor of the nucleus.
B) to produce specialized tissue cells.
C) to stimulate cells that have been arrested in the S phase.
D) None of the answer choices are correct.
F) A) and C)
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B
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A) leave the cell cycle in a G0 phase, which immediately follows telophase.
B) leave the cell cycle in a G3 phase, which immediately follows G2.
C) halt in the midst of the S phase.
D) continually cycle but simply fail to go through cytokinesis.
E) reverse from G2 to G1.
G) C) and D)
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A
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B) False
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A) prophase, anaphase, prometaphase, metaphase, telophase
B) prophase, telophase, anaphase, prometaphase, metaphase
C) prophase, prometaphase, metaphase, anaphase, telophase
D) telophase, anaphase, prophase, prometaphase, metaphase
E) anaphase, prometaphase, metaphase, prophase, telophase
G) A) and B)
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A) M phase
B) G1 phase
C) G2 phase
D) S phase
E) G0 phase
G) B) and E)
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A) division of the centromeres to separate sister chromatids.
B) migration of the centrioles to opposite poles of the nuclear space.
C) a cleavage furrow starts to form.
D) asters disappear.
F) A) and C)
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B) False
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A) They are made up of DNA and protein.
B) Each chromosome is replicated into two chromatids during the S phase of interphase.
C) Each chromosome separates into two daughter chromosomes by binary fission.
D) All cells contain chromosomes that carry the same genetic information.
F) B) and D)
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A) is the growth of blood vessels into the tumor.
B) is directed by additional mutations in tumor cells.
C) brings nutrients and oxygen to a tumor.
D) all of these.
E) none of these.
G) A) and B)
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A) 23.
B) 24.
C) 44.
D) 46.
E) 48.
G) A) and D)
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A) Cytokinesis is under way.
B) The nuclear envelope is being reconstructed.
C) The centromeres split apart.
D) Chromosomes de-condense into chromatin.
E) The nucleolus reforms.
G) B) and E)
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A) Angiogenesis forms new blood vessels and brings nutrients and oxygen to the tumor.
B) The disorganized mass of cells is encapsulated and does not invade adjacent tissue.
C) Metastasis establishes new tumors distant from the site of the primary tumor.
D) Cells have receptors to adhere to basement membranes, then secrete proteinase enzymes to invade underlying tissues.
F) A) and B)
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A) prophase
B) prometaphase
C) metaphase
D) anaphase
E) telophase
G) A) and E)
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B) False
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