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A-Level Biology OCR A

Palisade Cells Chloroplasts Absorb Large Light Photosynthesis Rate

Palisade cells are specialized for photosynthesis with many chloroplasts to absorb light, a rectangular shape for efficient packing, thin cell walls for CO2 diffusion, and a large vacuole to maintain turgor.

Palisade cells are specialized for photosynthesis with many chloroplasts to absorb light, a rectangular shape for tight packing, thin cell walls for CO2 diffusion, and a large vacuole to maintain turgor.

Front Draw, label and annotate how palisade cells are specialised for their function.
Back Palisade cells:
  • Chloroplasts - absorb large amounts of light for photosynthesis
  • Rectangular box shape - closely packed to form continuous layer
  • Thin cell walls - increased rate of diffusion of CO2
  • Large vacuole - maintain turgor pressure
  • Chloroplasts able to move within cytoplasm to absorb more light
  • These features allow the cells to maximise the rate of photosynthesis of the plant 

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