Cycles of Cell Cycle
Phases
Key Terms
Cell Division
Cytokinesis
100
What is the purpose of mitosis?
To create identical new cells for growth and repair
100
How many phases make up mitosis?
5 if you count cytokinesis, 4 if you don't
100
What is the membrane-bound structure in a eukaryotic cell that contains genetic information?
Nucleus
100
Is interphase part of mitosis?
no, it is the greater part of the cell cycle
100
The division of the cytoplasm of the cell during cell division is referred to as_____________.
Cytokinesis
200
What is the longest phase in the cell cycle?
Interphase
200
In which phase does the nuclear membrane begin to reform?
Telophase
200
What is the term for what the "fingers" of the mitotic spindle are made out of?
mictrotubule
200
At which phase do the chromosomes become visible in the cell?
Prophase
200
What organelle creates the mitotic spindle?
The centrioles (which are within the centrosome)
300
The cell cycle results in two genetically _________ cells.
Identical
300
What is the phase in which sister chromatids are ripped apart?
Anaphase
300
What are the two halves of a duplicated chromosome called?
sister chromatid
300
In which phase do the nuclear envelopes reform around the separated chromosomes?
Telophase
300
True or False: Cytokinesis is the division of the cell nucleus.
False. Cytokinesis is the division of the cytoplasm. Mitosis is the division of the nucleus.
400
What three things do cells do during interphase?
grow, replicate DNA, carry out normal functions
400
The phase in which chromosomes line up at the center of the cell.
metaphase
400
Where on the chromosomes do the spindle fibers attach?
centrosomes (kinetochore)
400
what organelle produces the mitotic spindle?
centriole
400
The pinching apart of the cytoplasm in an animal cell creates a divit called a ___________.
Cleavage furrow
500
Cells spend about __________ percent of their time in mitosis.
10
500
List the phases of mitosis in order.
Prophase, Metaphase, Anaphase, Telophase, [cytokinesis]
500
what is the word for the splitting of the cytoplasm and how is it spelt?
C-Y-T-O-K-I-N-E-S-I-S
500
Draw metaphase
(teacher will grade)
500
Draw cytokinesis
[teacher grades]
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