Topic1 Cells

Question 1

What is the function of the nucleus?

Answer 1

Contains DNA and controls the cell

Question 2

What is the function of the cell wall?

Answer 2

Contains cellulose and provides structure

Question 3

What is the function of ribosomes?

Answer 3

Produces proteins

Question 4

What is the function of cilliated cells?

Answer 4

Found in the respiratory system and moves mucus out of the way

Question 5

What is the function of root hair cells

Answer 5

Adapted so water and mineral ions are easily absorbed from the soil

Question 6

What are the functions of white blood cells?

Answer 6

Engulfs bacteria, creates memory cells, May release antibodies and anti-toxins

Question 7

What is the function of red blood cells?

Answer 7

Transports oxygen from the lungs to all our cells in the body

Question 8

What is the function of cytoplasm?

Answer 8

Controls the reactions of the cell

Question 9

What is the function of the cell membrane?

Answer 9

Allows substances in and out of the cell

Question 10

What is the function of the vacuole?

Answer 10

Contains cell sap which helps keep the cell turgid

Question 11

What is the function of chloroplasts?

Answer 11

Site of Photosynthesis, contains chlorophyll

Question 12

What is the function of mitochondria?

Answer 12

Site of respiration

Question 13

What is the function of palisade cells?

Answer 13

Absorbs light energy for photosynthesis

Question 14

What is the function of guard cells?

Answer 14

Allows gas exchange in leaves and controls water loss in leaves

Question 15

What is cell differentiation?

Answer 15

When a cell divides and becomes more specialised

Question 16

What is the function of a sperm cell

Answer 16

To fertillize an egg and contains genetic material

Question 17

What are the two white blood cells called?

Answer 17

Phagocytes and lymphocytes

Question 18

What are the adaptions of a sperm cell

Answer 18

Has A large tail to swim and has a large nucleus to store more genetic information

Question 19

What are the adaptations of a root hair cell

Answer 19

They greatly increase the surface area available for water to move into the cell

Question 20

What are the adaptations in a palisade cell

Answer 20

Contains chloroplasts that trap light needed for photosynthesis

Question 21

What is the function of the xylem

Answer 21

Is the transport tissue in plants that carries water and minerals

Question 22

What are the adaptations of the xylem?

Answer 22

The spirals and rings of lignin in the xylem makes them very strong

Question 23

What is the function of the phloem cell

Answer 23

Carries food made by photosynthesis around the body of the plant

Question 24

What are the adaptations of the phloem cells?

Answer 24

The cell walls between the cells break down to form special sieve plates

Question 25

What does the term” specialised cells” mean

Answer 25

They are cells that have developed specific structures and functions to perform particular tasks in the body

Question 26

What is the function of the nerve cell?

Answer 26

Provides a rapid communication system and also carries electrical impulses around the body

Question 27

What are the adaptations of a nerve cell?

Answer 27

They contain lots of mitochondria to provide the energy needed to make the transmitter chemicals

Question 28

What are the functions of A muscle cell?

Answer 28

They contract and relax in pairs to move the skeleton

Question 29

What are some adaptations of a muscle cell?

Answer 29

They contain lots of mitochondria and they also have special proteins that slide over eachother making fibers contract.

Question 30

How are electron microscopes different than regular microscopes?

Answer 30

-Electron microscopes have a higher magnification and resolution -more detailed view of structures