Biology
Cell Cycle & Mitosis Study Guide
Name:
Mr. Posten
Period:
Lab Code:
Part 1 – Short Answer Fill In
1. Name the 2 main phases of the cell cycle:
2. In order, name the 3 phases of interphase:
prokaryotes
3. In order, name the 4 phases of mitosis:
4. Name the phase of mitosis in which chromosomes first begin to organelle
appear:
5. Name the phase of mitosis in which chromosomes begin to phospholipid
disappear:
6. Name the phase of mitosis in which chromosomes line up in the mitochondria
middle of the cell (equatorial plane):
/
chloroplast
7. Name the phase of mitosis in which the chromosomes separate prokaryotes
or "split up" and move to opposite poles:
8. Name the cell phase in which the cytoplasm is divided and the cellulose
cell splits into 2 identical daughter cells:
Match the phase to its description. All choices will be used twice
G0
9.
S
G1
S
G2
period in which DNA is copied
10. G1
first phase of Interphase - follows cytokinesis
11. G2
last phase of Interphase - precedes cytokinesis
12. S
this phase includes the formation of 2 sister chromatids
13. G0
phase in which heart cells, eye cells and brain cells spend are in
14. G1
major phase of cell growth - organelles are being made and metabolism begins
15. G0
phase in which cells are metabolically active but do not divide
16. G2
phase in which cells grow in preparation for cell division
1
17. - 20. Identify each phase of mitosis below:
A.
B.
C.
D.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Describe the AMOUNT of DNA (1 copy or 2 copies) and the SHAPE of DNA (chromatin
or chromosome) in the following stages:
Stage
21.
22.
23.
24.
25.
26.
27.
28.
G1
S
G2
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
Amount
Shape
circle one
circle one
one copy
chromatin
two copies
chromosome
one copy
chromatin
two copies
chromosome
one copy
chromatin
two copies
chromosome
one copy
chromatin
two copies
chromosome
one copy
chromatin
two copies
chromosome
one copy
chromatin
two copies
chromosome
one copy
chromatin
two copies
chromosome
one copy
chromatin
two copies
chromosome
2
Short Answer Fill In
1. Structure in a plant cell that begins cytokinesis:
organelle
2. Structure in an animal cell that begins cytokinesis by phospholipid
restricting :
3. Structural fibers in a cell during cell division that coordinate
movement of chromosomes and help to ensure chromosomes
mitochondria
/
chloroplast
separate properly
4. The central unit structure that connects sister chromatids:
prokaryotes
5. Name 3 types of cells that exit the cell cycle and enter the G0 cellulose
phase:
6. Give the meaning of the word origin karyo / karyon: (p 6)
7. Give the alternate term for mitosis:
Label the phases below:
3
Matching, Correct / Incorrect, MC
3 pts each
Matching - Match the letter to the number. Choose the best answer. All choices will be used once.
17. _____
period in which DNA is copied
A.
anaphase
18. _____
first phase of Interphase
B.
asexual reproduction
19. _____
phase of mitosis during which chromosomes move opposite poles
C.
cleavage furrow
20. _____
the time between cell divisions
D.
G1 phase
21. _____
composed of microtubule fibers that extend from centrioles
E.
Interphase
22. _____
structure first seen in telophase that begins to divide an animal cell
F.
mitotic spindle
23. _____
first phase of mitosis
G.
prophase
24. _____
production of offspring from one parent
H.
S phase
Correct / Incorrect If a statement is correct, write a “C” as your answer. If the statement is
incorrect, write “I” and then explain why the statement is incorrect.
9.
Each offspring cell produced by mitosis has half as many chromosomes as the original cell.
10.
Chromatids form while DNA copies itself before cell division
11.
During mitosis, chromosomes line up at the equatorial plane during telophase.
12.
Human somatic cells contain the 1N chromosome number.
13.
Two of the 46 human chromosomes are sex chromosomes.
Multiple Choice
Write the letter of the correct answer in the blank.
___ 14. If an organism has 12 chromosomes in each somatic cell, the # of chromosome in that organism’s
gametes would be:
A.
4
C.
10
B.
6
D.
12
4
___ 15. Identify the phase of meiosis in which tetrads form:
A. prophase I
B. telophase I
C. anaphase II
D. metaphase II
___ 16. Term for the division of the cytoplasm and cell in a eukaryotic cell:
A.
mitosis
C.
cytokinesis
B.
binary fission
D.
budding
___ 17. Identify which of the following events occurs during synapsis:
A.
replication of DNA
C.
division of the cytoplasm
B.
appearance of spindle fibers
D.
pairing of homologues
____ 18. During mitosis and meiosis, kinetochore fibers are thought to:
A.
control cytokinesis
C.
allow for the movement of chromosomes
B.
make centromeres
D.
join chromatids
___ 19. Histones are proteins that:
A.
are found only in prokaryotes
C.
aid in controlling the activity of DNA
B.
chromatin coils around to pack DNA
D.
all of the above
___ 20. Spermatogenesis results in:
A.
4 haploid cells (all viable)
C.
4 diploid cells
B.
1 haploid cell and 3 polar bodies
D.
2 sperms cells and 2 polar bodies
___ 21. Each offspring cell produced by mitosis contains:
A.
half the number of chromosomes of the original cell
B.
twice the number of chromosomes of the original cell
C.
an identical copy of the original cell’s chromosomes
D.
an independent assortment of the original cell’s chromosomes
___ 22. Crossing over results in genetic recombination by:
A.
reducing the original cell’s chromosome number by half
B.
randomly separating the maternal (mother) and paternal (father) chromosomes
C.
mixing half the maternal chromosomes with half the paternal chromosomes
D.
permitting the exchange of genetic material (genes) between maternal and paternal chromosomes
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