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The Cell Cycle Worksheet with Answers Key, Exercises of Cell Biology

Belmont UniversityCell Biology

Typology: Exercises

2020/2021
On special offer
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Uploaded on 04/20/2021

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T
TH
HE
E
C
CE
EL
LL
L
C
CY
YC
CL
LE
E
W
WO
OR
RK
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SH
HE
EE
ET
T Name: ___Key________
Matching: match the term to the description
A. Prophase
B. Interphase
C. Telophase
D. Metaphase
E. Anaphase
__E_ 1. The sister chromatids are moving apart.
__B_ 2. The nucleolus begins to fade from view.
__C_ 3. A new nuclear membrane is forming
around the chromosomes.
__C_ 4. The cytoplasm of the cell is being
divided.
__C_ 5. The chromosomes become invisible.
__D_ 6. The chromosomes are located at the
equator of the cell.
__A_ 7. The nuclear membrane begins to fade
from view.
__C_ 8. The division (cleavage) furrow appears.
__E_ 9. The chromosomes are moving towards
the poles of the cell.
__D_ 10. Chromatids line up along the equator.
__A_ 11. The spindle is formed.
__B_ 12. Chromosomes are not visible.
__B_ 13. Cytokinesis is completed (as next cycle
begins).
__C_ 14. The cell plate is completed.
__B_ 15. Chromosomes are replicated.
__C_ 16. The reverse of prophase.
__B_ 17. The organization phase
.
Fill in the blank: Some will be used more than once.
A. Prophase
D. Metaphase
G. Chromatid
J. Spindle fiber
B. Interphase
E. Anaphase
H. Cytokinesis
K. Cell plate
C. Telophase
F. Centromere
I. Mitosis
______B________18. What phase are daughter cells
in as a result of mitosis?
______E________19. During what phase of mitosis
do centromeres divide and the
chromosomes move toward their
respective poles?
______A________20. What is the phase where
chromatin condenses to form
chromosomes?
______F________21. What is the name of the
structure that connects the two
chromatids?
______G________22. In a chromosome pair
connected by a centromere, what
is each individual chromosome
called?
______I, H_______23. What are the two parts of cell
division?
______J________24. What structure forms in
prophase along which the
chromosomes move?
______D________25. Which phase of mitosis is the
last phase that chromatids are
together?
______B________26. Which phase of the cell cycle
is characterized by a non-dividing
cell?
______J________27. What structure is produced
when protein fibers radiate from
centrioles?
______K________28. What forms across the center
of a cell near the end of telophase?
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Download The Cell Cycle Worksheet with Answers Key and more Exercises Cell Biology in PDF only on Docsity!

TTHHEE CCEELLLL CCYYCCLLEE WWOORRKKSSHHEEEETT Name: ___Key________

Matching: match the term to the description

A. Prophase B. Interphase C. Telophase D. Metaphase E. Anaphase

_E 1. The sister chromatids are moving apart.

_B 2. The nucleolus begins to fade from view.

_C 3. A new nuclear membrane is forming around the chromosomes.

_C 4. The cytoplasm of the cell is being divided.

_C 5. The chromosomes become invisible.

_D 6. The chromosomes are located at the equator of the cell.

_A 7. The nuclear membrane begins to fade from view.

_C 8. The division (cleavage) furrow appears.

_E 9. The chromosomes are moving towards the poles of the cell.

_D 10. Chromatids line up along the equator.

_A 11. The spindle is formed.

_B 12. Chromosomes are not visible.

_B 13. Cytokinesis is completed (as next cycle begins).

_C 14. The cell plate is completed.

_B 15. Chromosomes are replicated.

_C 16. The reverse of prophase.

_B 17. The organization phase

.

Fill in the blank: Some will be used more than once.

A. Prophase D. Metaphase G. Chromatid J. Spindle fiber B. Interphase E. Anaphase H. Cytokinesis K. Cell plate C. Telophase F. Centromere I. Mitosis

______B________18. What phase are daughter cells in as a result of mitosis?

______E________19. During what phase of mitosis do centromeres divide and the chromosomes move toward their respective poles?

______A________20. What is the phase where chromatin condenses to form chromosomes?

______F________21. What is the name of the structure that connects the two chromatids?

______G________22. In a chromosome pair connected by a centromere, what is each individual chromosome called?

______I, H_______23. What are the two parts of cell division?

______J________24. What structure forms in prophase along which the chromosomes move?

______D________25. Which phase of mitosis is the last phase that chromatids are together?

______B________26. Which phase of the cell cycle is characterized by a non-dividing cell?

______J________27. What structure is produced when protein fibers radiate from centrioles?

______K________28. What forms across the center of a cell near the end of telophase?

______B________29. The period of cell growth and development between mitotic divisions?

______H________30. What is the phase where cytokinesis occurs?

The diagram below shows six cells in various phases of the cell cycle. Note the cells are not arranged in the order in which the cell cycle occurs. Use the diagram to answer questions 1-7.

____________________1. Cells A & F show an early and a late stage of the same phase of the cell cycle. What phase is it? prophase ____________________2. Which cell is in metaphase? C ____________________3. Which cell is in the first phase of M phase (mitosis)? A ____________________4. In cell A, what structure is labeled X? centriole ____________________5. List the diagrams in order from first to last in the cell cycle. DAFCEB ____________________6. Are the cells depicted plant or animal cells? animal a. Explain your answer. Cells are round, no cell plate, pinching

b. If it were the other type of cell what would be different in the diagrams? Square, cell plate

____________________7. What is the longest phase of the cell cycle? interphase

  1. Why is mitosis important? Duplicate nuclear material for 2 daughter cells
  2. Predict what would happen if an individual had faulty spindle fibers. Daughter cells would end up with the wrong number of chromosomes
  3. Predict what would happen if cytokinesis was skipped. Cells would have too many chromosomes; cells wouldn’t function properly because they would be too big.
  4. What is the difference between cell plate and cleavage furrow?

below

  1. Draw a cell and label the: nucleus, centrioles, spindle fibers, pole of cell, equator of cell Below