(3) Cell Specialisation

Question 1

What are specialised cells?

Answer 1

Specialised cells are cells with specific features to perform a particular function

Question 2

What do stem cells do?

Answer 2

Stem cells differentiate to give us different types of cells

Question 3

Give 3 adaptations of red blood cells:

Answer 3

1. ) Contains a chemical called haemoglobin which binds with oxygen to form a red color.
2. ) Biconcave shape which increase surface area
3. ) No nucleus to allow more space for haemoglobin

Question 4

Give 3 adaptations of nerve cells:

Answer 4

1. ) Many dendrites to form many connections with many other nerve cells.
2. ) The cell is long to allow transmission of nerve impulses at a long distance.
3. ) Fatty tissue surround the cell to speed up and insulate transmission

Question 5

Give 3 adaptations of a sperm cell:

Answer 5

1. )The nucleus is located at the very top of the cell which contains male DNA.
2. ) The mid-piece is full of lots of mitochondria to provide energy to the cell to be able to swim to the egg cell
3. ) Tail/Flagellum to swim to the egg

Question 6

Give 3 adaptations of a muscle cell

Answer 6

1. ) Main function: Allow motion
2. ) The muscle cell contains a lot of mitochondria to release more energy than other cells.
3. )

Question 7

Where are root hair cells found?

Answer 7

Root hair cells are found in the roots of a plant

Question 8

Give one adaptation of a root hair cell:

Answer 8

Have a large surface area to absorb as many minerals as possible

Question 9

What are phloem?

Answer 9

Phloem are living cells that transport sugars up and down a plant.

Question 10

What are xylem?

Answer 10

Xylem are dead cell transporting water only UP a cell

Question 11

Where are palisade cells found?

Answer 11

Palisade cells are found in leaves

Question 12

What are palisade cells like?

Answer 12

They are packed with chloroplasts