Download - Warm Up
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Warm Up1. How does an asexual organism reproduce?2. Name the three reasons that a cell divides.3. What is cellular division?4. Why is it important that we have cell
division?
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Agenda
Science Fair Projects are REALLY late…◦Calls home start this weekend.
Notebook Check on FRIDAY
Quiz
Mitosis
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What is mitosis?Mitosis is the process that divides the cell’s nucleus into two, each with a complete set of genetic material from the parent cell.
4 phases
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Vocabulary Recap
Nucleus: Organelle that is the “command center” of the cell and contains all the genetic information
◦Surrounded by a Nuclear Membrane
Chromosome: threadlike structure that carries the genes (aka DNA)
◦In the NUCLEUS
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Remember the tool?
Mitosis is used for….
CD is GRREAT!!!
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CD is GRReat!
CD is Cell Division
G is GrowthR is RepairR is Reproduction
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1. Prophase
Chromosomes condense and the nuclear membrane disappears.
Early Prophase Late Prophase
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2. Metaphase
Chromosomes line up in the center of the cell.
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3. Anaphase
Chromosomes separate.
Early AnaphaseLate Anaphase
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4. Telophase
New nuclei form containing exact copies of the original cell’s DNA.
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Cytokinesis
The cell pinches in the middle and divides into two daughter cells.
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Quick Videos
http://www.youtube.com/watch?v=rgLJrvoX_qo
http://www.youtube.com/watch?v=VGV3fv-uZYI
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PMAT…C
ProphaseMetaphaseAnaphaseTelophase
….Cytokinesis
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What do you think?
Mitosis is:
◦Asexual Reproduction?
OR
◦Sexual Reproduction?
Hint: ◦Asexual--one cell makes two identical offspring◦Sexual--two cells make genetically different offspring
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Mitosis Foldable
A student will be bringing around science textbooks. Turn to page C83.
You will also receive a foldable.
Label the top flap, “STAGES of MITOSIS”
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Mitosis Foldables
You will create five flaps to representPMAT….C
Use a pencil and two different colored markers from the bins.
When you are done with the markers, please put them back in my box.
Turn your foldables into me! I will return them.
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Exit Ticket1. Mitosis is the process that divides the
cell’s nucleus into __________.A. A. 3B. B. 2C. C. 1D. D. 4
2. List out the different stages of mitosis in correct order.
3. Explain what happens in Anaphase.