Exam 11: The Cell Cycle and Cell Division

A) haploid; longer than
B) haploid; shorter than
C) diploid; longer than
D) diploid; equal to
E) diploid; shorter than

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A) increases the rate of growth of cancer cells.
B) retards the growth of cancer cells.
C) is derived from normal regulators of cell division.
D) can include inhibition of the cell cycle.
E) Both a and c

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A) 31
B) 32
C) 63
D) 65
E) 96

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A) Early in G1
B) Late in G2
C) At the transition between G1 and G2
D) At the transition between S and G2
E) At the transition between G1 and S

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A) chromosome separation during anaphase.
B) movement of chromosomes to the metaphase plate.
C) chromosome condensation during prophase.
D) disappearance of the nuclear envelope during prophase.
E) cytokinesis in animal cells.

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A) Synapsis
B) Aneuploidy
C) Nondisjunction
D) Chiasmata
E) Chromatin

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A) Crossing over
B) Independent assortment
C) Nondisjunction
D) Autopolyploidy
E) Allopolyploidy

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A) The G2 nucleus has double the amount of DNA as the G1 nucleus.
B) DNA synthesis occurs only in G1 phase.
C) Inactive cells are arrested only in G2 phase.
D) During G2 the cell prepares for S phase.
E) None of the above; there is no difference in the nucleus between G1 and G2.

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A) prophase I.
B) prophase II.
C) metaphase I.
D) metaphase II.
E) anaphase.

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A) a fertilization signal.
B) a ter site.
C) a reproductive signal.
D) an oncogene.
E) an ori site.

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A) prophase of meiosis I.
B) the interphase preceding meiosis II.
C) the mitotic telophase.
D) fertilization.
E) the formation of somatic cells.

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A) Cell replication would be slowed if the organism receives radiation.
B) Cells with radiation-induced DNA damage would continue through the cell cycle without repairing the damaged DNA.
C) Cells with incomplete DNA replication would continue through the checkpoint.
D) Cells would not respond to growth factors.
E) Cells would have a hypersensitive response to growth factors.

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A) Response to reproductive signals
B) DNA replication
C) Segregation of DNA to new cells
D) Meiosis
E) Cytokinesis

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A) double-stranded and linear.
B) single-stranded and linear.
C) double-stranded and circular.
D) single-stranded and circular.
E) conservative.

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A) two cell divisions without any chromosome replication.
B) a single cell division without any chromosome replication.
C) two cell divisions in which half of the chromosomes are destroyed.
D) two cell divisions and only a single round of chromosome replication.
E) None of the above; chromosome number is not reduced during meiosis.

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A) In apoptosis, the cell death is part of the normal developmental process; in necrosis, by contrast, the cell death is the result of something gone wrong.
B) Necrosis occurs in animals, while apoptosis occurs in plants.
C) In necrosis, the cells actually die. In apoptosis, they are just dormant.
D) In apoptosis, the cells actually die. In necrosis, they are just dormant.
E) There is no difference; they are different words to describe the same phenomenon.

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A) is the same as apoptosis.
B) is a form of cell death that can occur due to an environmental insult.
C) involves the production of caspases.
D) is a form of polyploidy.
E) is a type of cell division.

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