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Biology Chapter 10 Test

Enter the letter for the matching Answer
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1.
Define mitosis.
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2.
What is the locus?
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3.
The diploid cell has ______ the number of chromosomes as a haploid cell.
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4.
What is the mitotic spindle?
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5.
What is p53?
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6.
A mutated gene that codes for an altered version of Cdk that is active in the absence of a cycle in an ________
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7.
What is the metaphase plate?
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8.
Identical copies of chromatin held together by cohesin at the centromere are called _______.
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9.
What is a retinoblastoma protein (Rb)?
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10.
Name the stages of mitosis.
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11.
An organism's traits are determined by the specific combination of inherited______.
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12.
At which of the cell-cycle checkpoints do external forces have the greatest influence?
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13.
What is FtsZ?
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14.
Which eukaryotic cell-cycle event is missing in binary fission?
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15.
What is a nucleosome?
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16.
What is metaphase?
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17.
What is the cleavage furrow?
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18.
What is a kinetochore?
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19.
What is cytokinesis?
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20.
what is telophase?
A.
A protein structure associated with the centromere of each sister chromatid that attracts and binds spindle microtubules during prometaphase.
B.
twice
C.
Oncogene
D.
The stage of mitosis when the chromosomes align at the metaphase plate (or middle of the cell).
E.
genes
F.
The position of a gene on a chromosome.
G.
The equatorial plane midway between the two poles of a cell where the chromosomes align during metaphase.
H.
Prophase, Prometaphase, Metaphase, Anaphase, and Telophase.
I.
Period of the cell cycle when the duplicated chromosomes are separated into identical nuclei
J.
sister chromatids
K.
The division of the cytoplasm following mitosis that makes two new cells.
L.
Karyokinesis (mitosis)
M.
This is the constriction of the cell membrane by an actin ring during cytokinesis that divides the cell.
N.
A subunit of chromatin made of a short length of DNA wrapped around a core of histone proteins.
O.
Another regulatory protein that regulates cell growth and monitors DNA damage; it halts the advancement of the cell cycle in case of DNA damage and may induce apoptosis.
P.
Regulatory molecule that exhibits negative effects on the cell cycle by interacting with a transcription factor (E2F)
Q.
The apparatus made of microtubules that governs the movement of chromosomes during mitosis.
R.
Tublin-like protein component of prokaryotic cytoskeleton that is important in prokaryotic cytokinesis. Stands for Filamenting Temperature-Sensitive mutant Z.
S.
The stage of mitosis when the chromosomes arrive at opposite poles, decondense, and are surrounded by a new nuclear envelope.
T.
G1 checkpoint
Type the Answer that corresponds to the displayed Question.
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21.
Which of the following events does not occur during some stages of interphase? 1) DNA duplication 2) Organelle duplication 3) increase in cell size 4) separation of sister chromatids
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22.
The fusing of golgi vesicles at the metaphase plate of dividing plant cells forms what structure?
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23.
Attachment of the mitotic spindle fibers to the kinetochores is a characteristic of which stage of mitosis?
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24.
If the M checkpoint is not cleared, what stage of mitosis will be blocked?
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25.
Many of the negative regulator proteins of the cell cycle were discovered in what type of cells?
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26.
Separation of the sister chromatids is a characteristic of which stage of mitosis?
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27.
______are changes to the order of nucleotides in a segment of DNA that codes for a protein.
Type the Question that corresponds to the displayed Answer.
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28.
Cell, nucleus, or organism that contains one set of chromosomes. (n)
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29.
A stage of mitosis during which sister chromatids are separated from each other
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30.
A cell, nucleus, or organism that contains two sets of chromosomes. (2n)

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