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Mitosis
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Stages of mitosis
Biology > Mitosis
46 cards
Cards (101)
What is the outcome of mitosis?
Two identical
daughter nuclei
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What follows interphase in the cell cycle?
Mitosis
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What are the four stages of mitosis?
Prophase
Metaphase
Anaphase
Telophase
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What happens during prophase?
Chromosomes
pair up
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Where do chromosomes meet during metaphase?
At the
equator
of the cell
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What occurs during anaphase?
Sister chromatids
pull apart
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What happens during telophase?
Nuclear membrane
reforms and
chromosomes
unwind
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What is cytokinesis?
Division of the
cytoplasm
into two cells
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Why is mitosis significant for organisms?
It produces new cells with
identical DNA
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What type of division is mitosis known as?
Diploid
division
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What are the three reasons mitosis is important?
Growth
Repair
Asexual reproduction
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What are the three stages of the cell cycle?
Interphase,
mitosis
,
cytokinesis
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Why are chromosomes not visible during interphase?
They are in a
relaxed
,
uncoiled
state
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During which stage does the formation of spindle fibers occur?
Prophase
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When does DNA replication take place in the cell cycle?
During
interphase
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At what stage does the nuclear membrane reform?
Telophase
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When are cell organelles synthesized?
During
interphase
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What should you be able to describe by the end of the video series?
The roles of
mitosis
and its
stages
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Why is it recommended to watch both videos through once?
To grasp the
general
ideas of
mitosis
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What is the purpose of mitosis in living organisms?
To create identical copies of cells
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What type of cells are referred to as diploid cells?
Cells containing
chromosomes
in pairs
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How many pairs of chromosomes do human cells contain?
23 pairs
of chromosomes
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What happens to a diploid cell during mitosis?
It divides into two
identical
diploid cells
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What are the two main phases of the cell cycle?
Interphase
and
mitotic phase
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What occurs during interphase of the cell cycle?
The cell grows and replicates its
DNA
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What does the term 'mitosis' specifically refer to?
The division of the
nucleus
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When does mitosis occur in an organism?
During
growth
,
repair
, and
asexual reproduction
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What is cytokinesis?
The division of the cell after
mitosis
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What is chromatin?
Dark material in the nucleus during
interphase
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Why are chromosomes not visible during interphase?
They have a loose open structure as
chromatin
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What are sister chromatids?
Identical molecules of DNA after
replication
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What is the centromere?
The point where
sister chromatids
are joined
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How many pairs of chromosomes do humans replicate during interphase?
23 pairs
of chromosomes
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What happens to chromosomes during interphase?
They are
replicated
but not visible
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What will be discussed in the next video?
The stages of
mitosis
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What are the two main stages of cell division?
Interphase
and
mitotic
(
M
) phase
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What happens to chromosomes during interphase?
Each chromosome is copied into
sister chromatids
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Are chromosomes visible during interphase?
No
, they are
not visible
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What occurs at the start of mitosis?
A cell has just finished
interphase
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What are the four stages of mitosis?
Prophase
Metaphase
Anaphase
Telophase
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