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4.3: The Cell Cycle

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Nicole Sheppard

on 28 January 2014

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Transcript of 4.3: The Cell Cycle

4.3: The Cell Cycle
The Life of a Cell
Just like we grow and have stages of life, the cell does too.

The cell cycle begins when a cell is formed and ends when the cell divides and forms new TWO new cells.
Prokaryotic vs Eukaryotic
Review: What is the difference between prokaryotes and eukaryotes?

When prokaryotic cells go through their cell cycle to divide and make more cells, it is called binary fission.

When eukaryotic cells are more complex because we have chromosomes!
4.3 VOCABULARY
(1) Cell cycle: the life cycle of a cell
(2) Chromosome: in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein
(3) Homologous chromosomes: chromosomes that have the same sequence of genes and the same structure (23 pairs)
(4) Mitosis: the process of chromosome separation
(5) Cytokinesis: the division of cytoplasm
Next time...
We will be focusing on the process of mitosis...how DNA separates before the cell splits into two.
The stages of the Cell Cycle
There are 3 stages of the cell cycle
Interphase
Where the cell grows and copies its organelles and chromosomes
Mitosis
Chromosomes separate
Cytokinesis
The beginning cells splits into two cells
The Cell Cycle
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