Specialised Cells

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  • Created by: gej02
  • Created on: 12-05-18 21:20

1. How is the sperm cell adapted to its function?

  • has a lot of mitochondria in the middle section to provide energy (from respiration) needed to swim a long distance
  • has a diploid nucleus
  • feeds the embryo with the nutrients in the embryo
  • its membrane changes shape after fertilisation so that the offspring ends up with the right amount of chromosomes
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2. How is an egg cell adapted to its function?

  • has a diploid nucleus
  • has cilia to help move mucus through the airwaves up to the throat so it can be swallowed and not reach the lungs
  • its membrane changes structure to stop and more sperm from entering to make sure its has the right amount of DNA (after fertilisation)
  • contains and acrosme

3. What do ciliated epithelial cells help?

  • translocation
  • nourish the embryo with nutrients
  • to move mucus through the airwaves so it can be swallowed and not reach the lungs
  • fertilisation

4. How is the sperm cell adapted to its function?

  • has an acrosome at the front of the head where is stores enzymes needed to digest its way through the membrane of the egg cell
  • carries the female DNA to nourish the developing embryo in the early stages
  • has cilia
  • is a prokaryotic cell

5. Epithelial cells line the surfaces of organs and contain cilia. What if the function of these cells?

  • to move substances- the cilia beat to move substances to move in one direction, along the surface of the tissue
  • to transport the male's DNA
  • helps blood flow to the heart
  • to carry female DNA to nourish the embryo

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