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Mitosis - cell division
Today's lesson
Review Mutation and cancer
What is mitosis?
Why is mitosis important?
What are the steps to mitosis?
Stop motion Mitosis film
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Biologie
Middelbare school
vwo
Leerjaar 3
This lesson contains
15 slides
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interactive quizzes
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Items in this lesson
Today's lesson
Review Mutation and cancer
What is mitosis?
Why is mitosis important?
What are the steps to mitosis?
Stop motion Mitosis film
Slide 1 - Slide
Slide 2 - Slide
What are the three reasons why cells remain small?
A
Large cells have difficulty diffusing nutrients rapidly enough
B
As cells grow, their ratio of surface area to volume decreases
C
Transportation of wastes become a problem for larger cells
D
All of the above
Slide 3 - Quiz
www.businessinsider.com
Slide 4 - Link
Slide 5 - Video
Interphase
- Cell spends most of it's time
in interphase
-cell grows and does normal
cell functions
-prepares for cell division
by copying it's DNA
Slide 6 - Slide
Mitosis
One cell will split in two exact copies
One mother cell will become 2 daughter cells.
Slide 7 - Slide
Prophase
Chromosomes condense: each has two chromatids
Nuclear membrane starts breaking down
Spindle apparatus appears
Slide 8 - Slide
Metaphase
Centromeres lined up on the equator
Each chromatid attached to a spindle fibre
Slide 9 - Slide
Anaphase
Separation of the sister chromatids
Sister chromatids move to opposite poles, now called chromosomes
Slide 10 - Slide
Telophase
Chromosomes have reached poles
Nuclear membranes start forming
Chromosomes uncoil, become less visible
Slide 11 - Slide
Cytokinesis
Actual splitting of cytoplasm
Slide 12 - Slide
What was the lesson about?
1. What is mitosis?
2. Why is it important?
3. What are the different phases?
Slide 13 - Slide
I still have questions about...
Slide 14 - Open question
Slide 15 - Video
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