Mitosis
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Mitosis. The Cell CYCLE consists of Interphase and MITOSIS (division of the nucleus). Most of the time the cell is in INTERPHASE as the cell prepares for division. C. M. G2. S. G1. INTERPHASE. The cell’s chemical machine operates and the cell grows (G 1 phase).

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The Cell CYCLE consists of Interphase and MITOSIS (division of the nucleus). Most of the time the cell is in INTERPHASE as the cell prepares for division.


C

M

G2

S

G1


Interphase
INTERPHASE

  • The cell’s chemical machine operates and the cell grows (G1 phase).

  • The SYNTHESIS of DNA (S phase).

  • PREPARE for cell division


Mitosis1
MITOSIS

1. The chromatin CONDENSES (shortens) into chromosomes.

Chromatin vs. Chromosomes

  • Long/thin

  • Invisible

  • Active

  • Working cell

  • Short/thick

  • Visible

  • Inactive

  • Dividing cell




Metaphase
Metaphase

1. Chromosomes line up on the EQUATOR of the cell.


Anaphase
Anaphase

  • Centromere SPLITS.

  • Chromosomes are PULLED to the ends of the cell.


Telophase
Telophase

  • Chromosomes ARE AT the ends of the cell.

  • Chromosomes DECONDENSE (lengthen) to form chromatin.

  • The nuclear membrane and nucleolus REAPPEAR.

  • The centrioles SEPARATE.

  • The CYTOPLASM is divided. (Cytokinesis)


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