CELLS (specialised cells) Flashcards

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1
Q

what are the examples of specialised animal cells ?

A
  • Egg Cell
  • Sperm Cell
  • Muscle Cell
  • Nerve Cell
  • Red Blood Cell
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2
Q

what are the examples of specialised plant cells ?

A
  • Palisade Cell

- Root Hair Cell

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3
Q

Why is an Egg Cell a Specialised Cell ?

A

It has a spongy layer outside that protects the cell and attracts sperm.

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4
Q

Why is Sperm Cell a Specialised Cell ?

A
  • It has enzyme in the head to help enter the egg cell.
  • It has lots of mitochondria to release energy
  • it has a tail for swimming
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5
Q

Why is Muscle Cell a specialised Cell ?

A
  • it has lots of mitochondria to release energy

* it is a long cell to be able to contract and relax to move around.

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6
Q

Why is Nerve Cell a specialised cell ?

A
  • it has branches connections to connect to other nerve cell.
  • it is long so that it can transmit signals a long distance
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7
Q

What makes red blood cell a specialised cell.

A
  • it contains haemoglobin ( a red pigment that binds oxygen)
  • It has a large surface area to carry oxygen
  • It has no nucleas
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8
Q

Why is Palisade cell a specialised cell ?

A
  • it’s packed full of chloroplast for photosynthesis

- It’s tall and thin, so lots of cells can be packed together in the leaf

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9
Q

Why is root hair cell a specialised cell ?

A
  • It has lot’s of mitochondria to release energy
  • It has a large surface area to absorb water
  • It doesn’t have chloroplast as it’s underground and so it doesn’t do photosynthesis
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