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A-Level Biology OCR A

Move Cells  Or  To Describe Function Structure Cilia

Front Describe the function and structure of cilia.
Back Cilia - hair-like structures
  • Cells often have many of them, shorter than flagella
  • Some cells use them for movement or to cause fluids or objects adjacent to the cell to move because they beat in a rhythmic manner
  • Present in trachea to waft mucus up to be swallowed / Fallopian tubes to move egg from ovary to uterus
  • Pairs of parallel microtubules slide over each other causing it to move in a beating motion

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