palisade leaf cells

Palisade Leaf Cells are adapted for photosynthesis:

Thin: so more can be packed at the top of the leaf to get more light.

Tall: more surface area for absorbing CO2

packed with chloroplasts for photosynthesis

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palisade leaf cells

  1. Packed with chloroplasts for photosynthesis.
  2. thin:so more can packed at the top of leaf to absorb light
  3. tall: bigger surface area for absorbing CO2
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guard cells

  1. kidney shape for opening and closing the stomata
  2. if the plant has  lots of water guard cells will be turgid and open up the stomata for gas exchange for photosynthesis
  3. when the plant has little watter guard cells close and become flaccid so that water isnt lost
  4. thin outer walls and thickened inner walls make the opening and closing work.
  5. sensitive to light: at night guard cells will close to save water without losing out on photosynthesis
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red blood cells

  1. concave: larger surface area for carrying oxygen and easily passes through capillaries
  2. haemoglobin: to absorb the oxygen
  3. no nucleus: leaving more space for haemoglobin
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sperm and egg cells

egg cells:

  1. nourish embryos and give DNA
  2. carries food reserves to feed embryos
  3. changes shape once fused with a sperm to stop more sperm getting in.

sperm cell

  1. streamlined head and tail for swimming
  2. male DNA
  3. enxymes in its head help digest through the eggs cell membrane.
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very effective in learning specialised cells in a short amount of time. great job. thank you.

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