Cell cycle assignment

By: Amanda Peterson

The First Part of The Cell Cycle

Interphase: the cell is preparing for separation
  • Cell is not divided
  • DNA copied
  • Organelles copied
  • Cell doubles in size
  • Cell dose normal activity
  • Longest part of the cell cycle
  • DNA is in strands

Organelles present

  • Nucleus
  • Nuclear membrane
  • DNA
  • Centrioles
  • Spindle fibers

The Second Part of the Cell Cycle

Prophase: The cell prepares for nuclear division

  • Packages DNA into chromosomes
  • By the end of step two both the nucular membrane and nucleus are gone
  • Organelles: 1 nucleus --> 2 nuclei
Organelles present

  • Two sister chromatids
  • Pair of cenrtrioles
  • Aster
  • Centromere

Third Part of the Cell Cycle

Metaphase: The cell prepares chromosomes for division
  • Chromosomes line up side by side
  • Spindle fibers from centrioles attach to chromosomes
  • Organelles: no nucleus, no nuclear membrane
Organelles present
  • metephase plate
  • spindles

Forth Part of the Cell Cycle

Anaphase: The chromosomes divide
  • chromosomes separate
  • spindle fibers pull each half of the chromosomes to the opposite side of the cell
  • Organelles: no nucleus, no nuclear membrane
Organelles present