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Chapter Quiz
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1Mitosis is synonymous with the cell cycle.
A)True
B)False



2Define mitosis.



3Mitosis occurs in bacteria.
A)True
B)False



4Mitosis usually lasts for less than ________ percent of the time of the cell cycle.



5


S phase
6


cytokinesis
7


G1 phase
8


interphase
A)DNA replication
B)division of the cytoplasm and cell into two cells, each containing a nucleus
C)the cell cycle excluding mitosis; includes C, G1, S, and G2 phases
D)the majority of cellular activity



9List the five stages of mitosis in their correct order.



10


sister chromatids
11


astral microtubules
12


centrosomes
13


polar microtubules
14


kinetochore microtubules
15


centrioles
16


mitotic spindle
A)microtubule organizing centers containing centriole pairs
B)structure formed by polar, kinetochore, and astral microtubules
C)microtubules connecting the centrioles
D)identical pair of chromosomal DNA strands attached at a centromere
E)microtubules that brace the centriole against the cell membrane
F)microtubules that attach to each chromosome
G)organelles made of microtubules found at the center of the mitotic spindle and the aster



17What happens during prophase?



18What happens during anaphase?



19What happens during prometaphase?



20What happens during telophase?



21What happens during metaphase?



22In cytokinesis of animal cells, a ________ forms that begins on the periphery and pinches inward, dividing the cytoplasm.
A)cleavage plate
B)cleavage furrow
C)cell plate
D)cell furrow



23In cytokinesis of plant cells, a ________ forms in the middle of the cell and grows out to the periphery, dividing the cytoplasm.
A)cleavage plate
B)cleavage furrow
C)cell plate
D)cell furrow



24Root tips of plants contain meristems, localized area of rapid cell division due to active growth. In what other areas would you expect to find meristems in plants?



25A ________ cell has two copies of each chromosome or a double set of chromosomes.



26Mitosis is used for growth and maintenance in your body. Describe three ways that your body used mitosis today.



27The stages of mitosis are not discrete and occur in a continuous sequence.
A)True
B)False







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