Specialised Cells

Question 1

What are the main specialised cells?

Answer 1

Fat cell
Sperm cell
Red blood cell
Leaf cell
Root hair cell
Cone cells from human eye

Question 2

What is the function of a leaf cell?

Answer 2

Absorb light energy for photosynthesis

Question 3

What is the adaptation of a leaf cell?

2 points

Answer 3

Regular shape

Packed with chloroplasts

Question 4

What is the function of a root hair cell?

Answer 4

Absorbs water and mineral ions from the soil

Question 5

How are root hair cells adapted?

Answer 5

Large surface area

Question 6

What is the function of a sperm cell?

Answer 6

Fertilises an egg cell (female gamete)

Question 7

What is the structure of a sperm cell?

4 points

Answer 7

Head contains genetic information
Long tail helps move the sperm towards the egg
Middle section full of mitochondria to provide energy for tail to work
Acrosome stores digestive enzymes for breaking down outer layer of egg

Question 8

What is the function of a cone cell from a human eye?

Answer 8

Makes it possible to see in colour

Question 9

How do cone cells from a human eye work?

2 points

Answer 9

Middle segment contains mitochondria, releasing energy to reform colour
Outer segment contains visual pigment

Question 10

What are fat cells?

Answer 10

When your body makes fat and stores it from eating more food than you need

Question 11

What are the 3 adaptations of a fat cell?

Answer 11

Small cytoplasm
Few mitochondria as cells need little energy
Can expand 1000x larger as it fills up with fat

Question 12

What is the function of a red blood cell?

Answer 12

Contain haemoglobin to carry oxygen to cells