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Let’s get started... Why Divide?Cell Cycle Structure of Chromosomes MitosisMeiosis Take a Spin in...
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Transcript of Let’s get started... Why Divide?Cell Cycle Structure of Chromosomes MitosisMeiosis Take a Spin in...
Let’s get started . . .
Why Divide? Cell Cycle Structure of Chromosomes
Mitosis Meiosis Take a Spin in the Cycle
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Final Jeopardy
ATOM, not Eve
Final Jeopardy
If an atom contains 13 protons, 12 neutrons, and 13 electrons this would be
its atomic mass.
What is 25?
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Size; number
Cells do not increase in ________, they increase
in _________?
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What are growth, repair, replacement?
Name 2 solid reasons why cells have to divide.
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What is a cells growing to its max size triggers
cell division?
This triggers a cell to divide.
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What is it must duplicate its DNA?
What must a cell do before it can divide?
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What are Mitosis & Cytokinesis?
Cell division occurs in these 2 stages.
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What is interphase?
This must always begin the cell cycle.
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What are G1, S, and G2?
These are the 3 parts of interphase in the
correct order.
$600What are Prophase,
Metaphase, Anaphase, & Telophase and they
make up Mitosis?
These phases follow interphase in this specific order and make up what
we call this.
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What is the nucleus?
Mitosis is the division of this.
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What is the division of the cytoplasm and is not
considered a part of mitosis?
Cytokinesis is the division of this and is not considered a
part of this.
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What is the centromere?
This is the name for the area where 2
chromosomes connect.
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What is DNA?
Chromosomes are made up of this.
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What are chromatids?
Each chromosome is composed of 2 identical
“sister” _______.
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What is prophase?
In this phase chromosomes are first seen in the condensed form.
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Using the whiteboard, please correctly draw
and label a chromosome.
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What is the nucleus?
Mitosis is the division of this.
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What are Prophase, Metaphase, Anaphase,
and Telophase?
These are the 4 phases of Mitosis in the correct order.
$600What is to organize
fan-like spindles that separate the
chromosomes?
This is the job of the centrioles during mitosis.
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What is Metaphase?
In this phase the chromosomes line up
across the middle before being pulled
apart.
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What are interphase & cytokinesis?
These two things take place within the cell
cycle but are not considered part of
mitosis.
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What is sexual reproduction because it promotes diversity in
genes?Meiosis is essential for this type of
reproduction because it promotes this.
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What are egg and sperm?
The female and male gametes are called this.
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What is a zygote?
This is the name for a fertilized egg.
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What are 4 new and completely different
sperm or eggs?
The process of meiosis creates this many new sperm or
eggs.
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What are 80 chromosomes?
If an organism’s gametes contain 40 chromosomes
then its young will have this many total chromosomes.
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What is cancer?
Another name for uncontrolled cell
growth.
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What is cyclin?
This regulates the timing of the cell cycle
in eukaryotic organisms.
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What is haploid?
Term meaning to contain 1 set of chromosomes.
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What are homologous chromosomes?
Name for corresponding chromosomes each from the opposite sex parent.
$1000Mitosis=asexual repro, 1 cell producing 2 identical
cells, no exchange of genetic material
Meiosis=sexual repro, 2 cells producing 4 diff cells
These are 3 distinct differences between Mitosis & Meiosis.