AP Biology: Cell Cycle/Cell Communication Exam
Name__________________________Date_______
List 3 key roles of cell division.
1.
2.
3.
4. Place the following terms in order as they occur beginning with the steps of interphase:
prometaphase, G2, telophase, prophase, anaphase, G1, metaphase, S, and cytokinesis
Answer the following questions using the phases found in the cell cycle that are mentioned in
question 4:
5. Nucleus begins to fragment ______________________________
6. DNA is being synthesized
______________________________
7. Phase where chromosomes become visible ________________________
8. Cells split into two ________________________
9. Asters begin to appear on the centrosomes ________________________
10. Chromasomes line up in center
________________________
11. Nucleoli reappear
________________________
12. Centered on growth
________________________
13. Centromeres are dissolved ________________________
14. spindle fibers begin assembly
__________________________
15. The spindle fibers attach to the kinetichore of the chromosomes
__________________
16. Which three have chromatin present in the cell?
17. If a somatic cell (body cell) of a diploid organism has 6 chromosomes, how many
chromosomes will each daughter cell have after mitosis (mitotic cell division)?
18. Which picture below depicts cytokinesis of an animal cell? (Left or Right)
19. Which mitotic phase are these cells in?
20. (True of False) Mitosis, followed by cytokinesis, results in the formation of two
genetically different daughter cells.
21. How many chromatids are in a duplicated chromosome?
a. 1
b. 2
c. 4
d. 8
22. A biologist is measuring the amount of DNA in cells growing in the laboratory. When would
the quantity of DNA in a cell seem to double?
a. during G1 interphase
b. during prophase
c. during S phase of interphase
d. during G2 phase of interphase
e. during M phase
23. Which two phases of mitosis are essentially opposite with respect to changes in the nucleus?
a. prophase and interphase
b. prophase and metaphase
c. metaphase and anaphase
d. metaphase and telophase
e. prophase and telophase
Matching:
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
M.
N.
O.
Metastisis
Meiosis
Binary Fission
Mitosis
Cleavage furrow
Centromer
Centrioles
Chromatids
Centrosomes
Centrioles
Cytokinesis
Apical Meristem
Cell Plate
Dinner Plate
Metapahase Plate
P. Kinetochore
microtubules
Q. Kinetochore
R. Gamete
S. Genome
T. Spindle Fibers
U. Mitosis
V. Protein Kinases
W. G0 phase
X. Growth Factors
Y. Mitotic spindle
Z. Benign
AA.
CDks
(Cyclin-dependent
Kinases)
BB. Anchorage
dependence
CC. Zygote
DD.
Checkpoint
EE. Transformation
FF. Growth factor
GG.
Density
dependent inhibition
HH.
Somatic
Cells
II. Polar microtubules
JJ. Malignant
KK.
Sex Cells
____24. Most human cells are in this phase, a non dividing state
____25. Formed during cytokinesis in plant cells
____26. The carrying of cancer cells in the blood or lymphatic tissues to other parts of the body
____27. Disease that refers to cells that have escaped the cell cycle control
____28. Site of spindle fiber assembly
____29. A second protein that is required for cells to begin dividing, levels are not present in constant amounts
____30. Found only in animals and are thought to have a roll in spindle fiber assembly
____31. Site where chromosomes settle midway between the two poles of the cell
____32. Loose Genetic Material
____33. Found on each chromatid for spindle fiber attachment
____34. An example of this are cultured cells dividing until they fully cover the plate and cell division stops.
____35. Microtubules that span the length of the nucleus without attaching to kinetochores.
____36. Loose genetic material found in the nucleus when the cells are not dividing.
____37. The asexual division of the cells nucleus forming two daughter nuclei
____38. Genetically identical copies that make up a chromosome
____39. Critical points in the cell cycle where stop and go signals regulate the cell cycle.
____40. Connection point between chromatids
____41. fibers composed of microtubules and associated proteins; a major driving force in mitosis
Match the following statements with the correct letter.
a. Prokaryotic
b. Plants
c. Animals
d. Both Plants and Animals
e. Prokaryotes, Plants and Animals
____42. Divide cells through binary fission
____43. Have multiple chromosomes
____44. Can produce new cells asexually
____45. Contain centrioles
____46. Chromosome division begins at one point called the origin of replication
____47. Use mitotic spindle for moving chromosomes
____48. Use cleavage furrow
____49. Has the least amount of DNA
____50. Circular chromosome
A.
C.
B.
D.
E.
Match the following with the pictures above:
____51. Metaphase
____52. Telokinesis
____53. Prophase
____54. Anaphase
____55. Interphase
____56. Which phase of the cell cycle do cells spend most of there time in? Use the pictures above.
____57. Which phase of Mitosis do cells spend most of there time in? Use the pictures above.
Select either mitosis or meiosis to answer the following questions.
___________________ 58. By what process are the damaged cells in a wound replaced?
___________________ 59. By what process are eggs formed?
___________________ 60. By what process does a zygote develop into a multicellular organism?
___________________ 61. In which process are identical daughter cells produced?
___________________ 62. Which process reduces chromosome number of daughter cells?
Matching
A.
B.
C.
D.
E.
F.
G.
H.
I.
Signal transduction pathway
Gap junction
Transcription factor
Ion Channel Receptor
Ligand
cAMP
G Protein-Coupled Receptors
Plasmodesmata
First messengers
J.
K.
L.
M.
N.
O.
P.
Q.
R.
GTP
Second messengers
Protein Kinase
protein phosphatases
Paracrine Signaling
Ca++
Synaptic Signaling
Receptor Tyrosine Kinase
Hormone Signaling
____63. ____64. ____65. These three could be used to initiate a signal transduction pathway and are found in
the cell’s membrane.
____66. This type of membrane receptor may activate ten or more different transduction pathways and cellular
responses.
____67. the term for a molecule that specifically binds to another molecule, often a larger one. (Generally
causes a receptor protein to undergo a change in shape.)
____68. Animal nervous system – An electrical signal along a nerve cell triggers the secretion of a chemical
signal carried by a neurotransmitter.
____69. A long distance traveler; use the circulatory system in animals
____70. Junction in plant cells that allow for continuous cytoplasmic steaming between two adjacent cells.
____71. An enzymes that catalyze the removal of the phosphate groups from the proteins, making them inactive and
available for reuse.
____72. Provides the energy needed to initiate a response from a G Protein Coupled Receptor.
____73. ____12. Two examples of second messengers
____74. Second messenger involved in muscle contractions
75. True or False: Signaling molecules such as ligands usually move inside of the cell to initiate a signal
transduction pathway.
76. What are the three phases of a signal transduction pathway?
77. List two benefits for having multistep pathways for cell signaling.
78. What do most signaling pathways ultimately control?
79. In what body system are ligand-gated ion channels and voltage-gated ion channels of particular importance?