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GCSE Biology Paper 1 (9-1 Exams)

Cell Mitosis Cycle Chromosomes Line Centre Fibres Pull

Mitosis involves chromosomes lining up in the center of the cell, being pulled to opposite ends, followed by membrane formation around each set of chromosomes, and finally, the division of cytoplasm and the cell membrane.

During mitosis, chromosomes align at the cell's center, are pulled apart to opposite ends, and then membranes form around these sets, followed by the division of cytoplasm and cell membrane.

Front What happens during Mitosis in the cell cycle?
Back
  1. The chromosomes line up at the centre of the cell and cell fibres pull them apart. The two arms of each chromosome go to opposite ends of the cell.
  2. Membranes form around each of the sets of chromosomes. These become the nuclei of the two new cells - the nucleus has divided.
  3. Lastly, the cytoplasm and cell membrane divide. 

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