biology

IPMAT

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  • Created by: jaz
  • Created on: 16-03-11 15:25

Interphase

  • invisiable
  • normal cellular activity
  • grow more cytoplasm
  • make copies of their chromosomes
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prophase

  • appear
  • chromosomes start to coil up becoming shorter and fatter
  • nuclear envelope disappears
  • nucleolus disappear
  • spindles form
  • centrioles move to opposite poles of cell
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Metaphase

  • middle
  • chromosomes line up at the cell equator
  • chromosomes attach to spindle fibres
  • fibres attach at the centromere
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Anaphase

  • apart
  • spindle fibres contract
  • fibres pull chromotids apart with the centromere leading
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Teleophase

  • 2 sets of chromosomes form new nuclei
  • chromosomes unravel
  • new nuclear envelope forms
  • nucleolus reappears
  • cytoplasm divides
  • 2 new cells form
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