MITOSIS CYCLE EUKARYOTES

2 main phases of eukaryotes cell cycle

* Interphase (made up of three stages)
* M-phase: mitosis (nuclear division) and cytokinesis (division of the cytoplasm)

INTERPHASE STAGES

* First gap phase (G1)

Cell size increase and makes mRNA and proteins needed for the S phase.

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* Synthesis (S)

DNA & Centrosome replicated

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* Second gap phase (G2)

Nucleus well defined • Rapid cell growth and protein synthesis • The cell prepares for mitosis

MITOSIS STAGES

P-MAT

Prophase

Metaphase

Anaphase

Telaphase

Key events of PROPHASE (mitosis)

Early Phrophase

* DNA continues condensing.


* Nuclear membrane disintegrates.
* Nucleolus disintegrates.

Late Prophase

* Chromosomes appear as chromatids.
* Mitotic spindle forms.
* Centrosomes move to opposite poles.

Key events of METAPHASE (mitosis)

Metaphase - Middle

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Chromosomes line up on the equator of the cell.

Key events of ANAPHASE (mitosis)

Anaphase - Away

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Early anaphase:

Chromosomes separate to opposite poles.

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Late Anaphase:

Non-kinetochore microtubules elongate the cell.

Key events of TELAPHASE (mitosis)

Telophase- Telephone - GIMME UR TELEPHONE NUMBER SISTER 🙋‍♀️ !!

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* Nuclei reform.


* Cell elongates and furrow develops.

Cytokinesis

Cytokinesis- Cya LATER SISTER!

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Two independent cells.