CELL%20DIVISION - PowerPoint PPT Presentation

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CELL%20DIVISION

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Stages of Cell Division. 1. Interphase. 2. Prophase. 3. Metaphase ... Interphase. Cells begin to. prepare for division. Chromosomes. appear more visible ... – PowerPoint PPT presentation

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Title: CELL%20DIVISION


1
CELL DIVISION
MITOSIS
2
Stages of Cell Division
1. Interphase 2. Prophase
3. Metaphase 4. Anaphase 5. Telophase
3
Interphase
Cells begin to prepare for division. Chromosomes
appear more visible with a thread-like appearance.
4
Prophase
Chromosomes shorten and thicken forming
Chromatids. Nuclear membrane disappears the
spindle fibres begin to appear.
5
Metaphase
The chromatids arrange themselves on the
equator (middle) region of the cell.
6
Anaphase
Spindle fibres stretch and the chromatids
separate and move to opposite ends.
7
Telophase
Cell membrane divides into two (2) producing
daughter cells for each cell.
8
Complete Division
In Mitosis, the cells regain their nuclear
material and division is complete. While its
not complete in Meiosis because chromatids still
lack a thread-like appearance.
9
Importance
  • Leads to growth because it adds new
  • cells to already existing cells.
  • Repairs body parts of living organisms.
  • Helps in asexual reproduction like
  • binary fission, micro-organisms and
  • vegetative reproduction in plants.
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