Specialised cells

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  • Created by: Sophie
  • Created on: 21-12-11 14:58

FAT CELLS:

  • Very little cytoplasm 

- This means they have plenty of room for large amounts of fat.

  • Very few Mitochondria 

- This is because they use very little energy.

  • They can expand

- This is so they can fill up with fat up to 1000 times their original size.

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CONE CELLS FROM HUMAN EYE:

  • Outer segment is filled with "visual pigment" 

- This changes chemically in changed light and to be changed back it needs energy.

  • The middle section has lots of mitochondria 

- This means the cell has a lot of energy to change the visual pigment back to it's original form.

  • The final part is

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