Y9 Specialised cells and Stem Cells

Some cells are specialised. What does this mean?

• They are more important than other cells

• There is only one of them.

• They are adapted to perform a particular function.

• They need certain things more than other cells.

How is this cell specialised? Choose carefully!

• It stores fat

• It can swim

• It can shrink (contract) and grow (relax)

• It can swim and has powerful enzymes to break into an egg cell

How are these cells specialised?

• They are bi-concave and have a large surface area and a pigment called haemoglobin which carries oxygen.

• They are specialised to fight infection.

• They carry carbon dioxide to the lungs.

• They carry glucose in large amounts

Name this cell.

• Pallisade cell

• Guard cell

• Root hair cell

• Epithelial cell

Name the part of this cell, where the arrow points towards.

• vacuole

• chloroplast

• cell wall

• ribosome

Ribosomes are an example of a cell ORGANELLE. What is their function?

• They are where photosynthesis occurs.

• They are where respiration occurs.

• They are where proteins are made in the cell.

• They control the function of the cell.

Mitachondria are an example of a cell ORGANELLE. What is their function?

• They are where photosynthesis occurs.

• They are where respiration occurs.

• They are where proteins are made in the cell.

• They control the function of the cell.

What is the name of this specialised cell and where is it found

• A root hair cell, in the root

• A palisade cell in the bottom of a leaf.

• A palisade cell at the top of a leaf.

• In the middle of a plant stem.

How is this cell specialised?

• It stores fat

• It can swim

• It can shrink (contract) and grow (relax)

• It can carry oxygen very well.

What are stem cells?

• The cells found in the stem of a plant.

• A type of cell that can turn into any other type of cell

• A cell that is specialised to perform a function.

• A cell with no nucleus.