Specialisation Of Cells

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Erythrocytes
RBC, biconcave (More surface area), No nucleus and little organelles (more room for Hb), Flexible (can fit in capillaries)
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Neutrophil
WBC, Involved in the immune system, multi-lobed nucleus (making it able to squeeze through small spaces to get to infected areas), Granular cytoplasm contains lots of lysosomes (attacks pathogens)
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Sperm cell
Male gamete, tail/flagellum (helps it move), lots of mitochondria (supply energy), acrosome in head containing lots of digestive enzymes (to break through egg membrane)
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Palisade Cell
In the spongy mesophyll in a leaf, Rectangular (can be closely packed), lots of chloroplasts (absorbs large amounts of light for photosynthesis), large vacuole (to maintain turgor pressure)
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Root Hair Cell
On root of plant, long extensions (increase SA to maximise uptake of water and minerals), thin cell walls (shorter diffusion pathway), vacuole containing cell sap (lowers water potential)
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Guard Cell
On the surface of leaves, when the plant loses water the guard cells become swollen (due to osmotic forces) closing the gaps in the leaves (reduces water loss) Thicker on one side (doesn't change shape symmetrically as the volume changes)
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Squamous Epithelial Cell
In linings of cavities and blood vessels, flattened and thin (increases rate of diffusion), smooth (assists in allowing fluid to move over them)
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Ciliated Epithelial Cell
Inner surfaces of tubes (trachea ect), covered in cilia (move in rhythmic movements to move material along), Produce mucus (traps dust and bacteria ect so it can be expelled), Lots of mitochondria (produces lots of energy), cytoskeleton (helps move)
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Other cards in this set

Card 2

Front

WBC, Involved in the immune system, multi-lobed nucleus (making it able to squeeze through small spaces to get to infected areas), Granular cytoplasm contains lots of lysosomes (attacks pathogens)

Back

Neutrophil

Card 3

Front

Male gamete, tail/flagellum (helps it move), lots of mitochondria (supply energy), acrosome in head containing lots of digestive enzymes (to break through egg membrane)

Back

Preview of the back of card 3

Card 4

Front

In the spongy mesophyll in a leaf, Rectangular (can be closely packed), lots of chloroplasts (absorbs large amounts of light for photosynthesis), large vacuole (to maintain turgor pressure)

Back

Preview of the back of card 4

Card 5

Front

On root of plant, long extensions (increase SA to maximise uptake of water and minerals), thin cell walls (shorter diffusion pathway), vacuole containing cell sap (lowers water potential)

Back

Preview of the back of card 5
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