Tanuja S.

Cell Cycle = 2 Main Phases:

1. Interphase – Cell prepares.

2. M Phase (Mitotic phase) – Cell divides.

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Interphase (3 parts):

1. G₁ Phase (Growth 1) –

Cell grows, makes proteins and organelles.

2. S Phase (Synthesis) –

DNA doubles (Replication happens).

3. G₂ Phase (Growth 2) –

Cell gets ready to divide, checks for errors.

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M Phase (2 parts):

1. Mitosis – Nucleus divides (4 stages).

2. Cytokinesis – Cytoplasm divides → 2 new cells.

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Mitosis (4 stages):

1. Prophase –

Chromosomes become visible, nuclear membrane breaks.

2. Metaphase –

Chromosomes line up in the middle.

3. Anaphase –

Chromosomes are pulled apart to opposite sides.

4. Telophase –

New nuclear membranes form around chromosomes.

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Bonus Tip (Memory Trick):

PMAT = Prophase, Metaphase, Anaphase, Telophase.

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