specialised cells Flashcards

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1
Q

red blood cell

A

contains haemoglobin in the cytoplasm -> so that it can transport oxygen from lungs to all parts of the body
no nucleus-> carry more haemoglobin = carry more oxygen
biconcave shape = increasing the surface area to volume ratio = oxygen enters the cell faster

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2
Q

root hair cells

A

long and narrow = increases surface area to volume ratio = for cell to absorb water and mineral salts at a faster rate

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3
Q

xylem vessels

A

long and hollow tubes with no cross walls = will not block water flow through the semen
walls are thickened with lignin = prevent the vessel from collapsing

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