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Why do cells differentiate?
To carry out specific functions
What is differentiation?
The process by which a cell changes to become specialised for its job
Give 3 ways that a sperm cell is adapted for swimming to an egg
Long tail
Streamline head
Lot of mitochondria in the cell to provide energy
Carried enzymes in the head to digest through the egg cell membrane
Draw a diagram of a nerve cell. Why is it this shape?
To allow the cells to branch out and connect to other nerve cells
Note 
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