Download Chapter 11 Mitosis Review Sheet

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Mitosis Review Sheet
1. The two phases of the cell cycle are called:
a. interphase and prophase
b. mitosis and cytokinesis
c. interphase and mitosis
d. prophase and metaphase
2. How many phases are there in mitosis?
a. 2
b. 5
c. 3
d. 7
3. The G0 phase is
a. the stage before G1
b. another name for interphase
c. a state at which no replication occurs
d. the state of most cells in an animal body
4. A centromere is
a. another name for kinetochore
b. the structure to which microtubules attach
c. the region where the sister chromatids attach to each other
d. the point on the cell to which the chromosomes migrate
5. The period of cell growth during the cell cycle is called
a. interphase
b. G1 phase
c. S phase
d. G2 phase
6. A cleavage furrow forms in animal cells during
a. G1 phase
b. G2 phase
c. Mitotic phase
d. cytokinesis
7. How many daughter cells are produced at the end of mitosis?
a. 2
b. 3
c. 4
d. 6
8. The centrosome consists of the
a. spindle fibers
b. centrioles
c. microtubules
d. centrioles and spindle fibers
9. ____________ begins when pairs of sister chromatids align in the center of the cell.
a. anaphase
b. interphase
c. metaphase
d. telophase
10. Replication of the genome occurs in the ___________ phase of the cell cycle
a. G1 phase
b. S phase
c. G2 phase
d. M phase
11. The condensation of the chromosome portion containing the rRNA genes causes the
disappearance of the
a. nucleus
b. centriole
c. microtubules
d. nucleolus
12. A nuclear envelope forms around each set of sister chromatids in
a. anaphase
b. interphase
c. metaphase
d. telophase
13. Name the barrier in plant cells that forms between the two new daughter cells just
before cytokinesis?
a. cleavage furrow
b. cell plate
c. nucleus
d. cell membrane
14. Microtubules growing from the poles attach to the kinetochores of each chromatid
during
a. anaphase
b. interphase
c. prometaphase
d. prophase
15. What are the thin, tangled strands of DNA called that are present during interphase?
a. chromasomes
b. chromatin
c. chromatids
d. centromere
16. Just prior to cell division, the diploid human body cell contains ___ chromatids
a. 23
b. 46
c. 69
d. 92
17. During which phase of mitosis do the chromosomes first become visible?
a. anaphase
b. prophase
c. metaphase
d. anaphase
18. Which of the following statements about mitosis is incorrect?
a. The daughter nuclei are genetically identical to the parent nucleus
b. Chromosomes separate during anaphase due to the interaction of polar microtubules
from opposite poles pushing against each other.
c. Chromosomes separate during anaphase when the kinetochore microtubules shorten as
they depolymerize.
d. Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin,
attached to spindle fibers.
19. Which of the following terms is not related to mitosis?
a. somatic cells
b. chromosomes
c. DNA replication
d. All are related
20. During which phase of mitosis do the spindle fibers begin to form?
a. prophase
b. prometaphase
c. metaphase
d. anaphase
21. What structure attaches the chromosomes to the spindle fibers during metaphase?
a. centrioles
b. microtubules
c. centromere
d. kinetochores
22. A cell with a full set of chromosomes is said to be ____?
a. haploid
b. somatic
c. diploid
d. gemate
23. What is one-half of a chromosome called?
a. chromatin
b. chromatid
c. chromosome
d. centrosome
24. During which phase of mitosis are the sister chromatids pulled apart?
a. anaphase
b. prophase
c. metaphase
d. telophase
25. Normal human cells can go on dividing indefinitely.
a. True
b. False
26. All of the following are reasons for cell division except
a. repair
b. growth of organism
c. easier access to nutrients
d. increasing mass
27. A cell’s genome is
a. another name for cell cycle
c. a daughter cell
b. a cell’s genetic material
d. a parent cell
28. During which phase of mitosis do the spindle fibers begin to shorten?
a. anaphase
b. metaphase
c. prophase
d. telophase
29. What cell parts reappear during telophase?
a. nucleolus
b. chromosomes
c. centrioles
d. ribosomes
30. Making a copy of DNA is called _______.
a. duplication
b. condensing
c. replication
d. expansion
Answer the questions below:
6. What are autosomes, somatic cells, gametes?
28. Why do cells go through the cell cycle?
12. What happens to the cytoplasm of an animal cell just before cytokenesis?
31. Why must cells be small in size?