Cell Division. Prokaryotes Binary fission is the way in which bacteria divide and produce two new cells.

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Presentation transcript:

Cell Division

Prokaryotes Binary fission is the way in which bacteria divide and produce two new cells

Eukaryotes Occurs in two ways Mitosis- makes somatic (body) cells Meiosis – makes gametes (sex) cells

Cell Cycle

Cell Cycle IP on MAT C Interphase Prophase Metaphase Anaphase Telophase Cytokinesis

Mitosis

The process of cellular division is called mitosis.

Mitosis has four stages P M A T

Mitosis has four stages P rophase M etaphase A naphase T elophase

Prophase

Metaphase

Anaphase

Telophase

Prophase Metaphase Anaphase Telophase

Prophase Metaphase Anaphase Telophase

Cell Cycle Interphase Prophase Metaphase Anaphase Telophase Cytokinesis Growth phase G1 Synthesis S Growth phase G2

Interphase G1 (Growth phase 1) – the cell begins to grow S (synthesis) – DNA is synthesized (copied) G2 (Growth phase 2) – the cell continues to grow. Until mitosis occurs

Controlling the Cell Cycle Cancer is a term used to describe uncontrolled cell growth. It is usually a malfunction in the cell cycle that causes cells to be continually traped in this cycle. This usually arises from a mutation in a gene.

Mutation