A) metaphase.
B) telophase.
C) prophase.
D) anaphase.
E) interphase.
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A) are called twin chromosomes.
B) are attached to each other by a centromere.
C) are separated and paired with their homologous chromosomes.
D) divide again before mitosis can begin.
E) are attached to each other by a cytosome.
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A) heart muscle cell
B) bicep muscle cell
C) brain nerve cell
D) skin cell
E) spinal nerve cell
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A) the G1 phase.
B) mitosis.
C) cytokinesis.
D) the G2 phase.
E) the S phase.
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A) cytokinesis.
B) cancer.
C) metastasis.
D) apoptosis.
E) tumorization.
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A) interphase
B) mitosis
C) cytokinesis
D) All the stages are equal in duration.
E) None of the above.
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A) prophase.
B) G1 phase.
C) G2 phase.
D) S phase.
E) P phase.
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A) burning the cells, thereby killing them.
B) damaging the cell's DNA, resulting in cell death.
C) interfering with the cell's mitotic spindle.
D) dissolving the tumor through heating.
E) freezing the cells, thereby killing them.
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A) prophase, metaphase, anaphase, and telophase.
B) metaphase, anaphase, prophase, telophase, and cytokinesis.
C) G1, S, G2, M, and cytokinesis.
D) prophase, metaphase, anaphase, and cytokinesis.
E) cytokinesis, prophase, metaphase, anaphase, and telophase.
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A) apoptosis.
B) a single checkpoint in cytokinesis.
C) several checkpoints in the cell cycle and by apoptosis.
D) suicide checkpoints.
E) cell cycle repair mechanisms.
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A) Extraction of the drug required killing thousands of old-growth trees that grow in a limited area.
B) The rare spotted owl nested in the forests of trees from which the drug was extracted.
C) A whole tree would have to be killed to treat each person, causing environmentalists to clash with patient advocates.
D) It was difficult to obtain enough taxol to treat all the patients who needed it.
E) All of the above.
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A) chromosome separation during anaphase.
B) chromosome duplication.
C) cytokinesis.
D) nuclear envelope disintegration during mitosis.
E) centromere formation during interphase.
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Design a drug that will target...View Answer
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Chromosomes condense...View Answer
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A) not connected together.
B) connected together at only one end.
C) connected together at both ends but not the middle.
D) connected to each other along their entire length.
E) connected at only one point.
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A) two perfectly normal cells
B) one perfectly normal cell
C) two cells with extra DNA
D) two cells with some missing DNA
E) one cell with extra DNA and one with missing DNA
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A) daughter chromatids.
B) sister chromatids.
C) mother-daughter chromosomes.
D) bifurcated chromosomes.
E) chromateres.
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A) apoptosis.
B) cell division.
C) metastasis.
D) cytokinesis.
E) mitosis.
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A) lead to the formation of a tumor.
B) lead to cancer.
C) cause the cell to destroy itself (apoptosis) .
D) lead to uncontrolled cell division.
E) All of the above.
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A) two perfectly normal cells
B) one perfectly normal cell
C) two smaller than normal cells
D) two cells with either extra or missing chromosomes
E) two cells with extra DNA and extra chromosomes
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