B1.2-cells

Question 1

What does the nucleus do?

Answer 1

Controls all the activities of the cell and contains the genes on the chromosomes.

Question 2

What does the cytoplasm do?

Answer 2

A liquid gel in which the organelles are suspended and where most of the chemical reactions are needed for life to take place.

Question 3

What is the cell membrane’s functions?

Answer 3

To control the passage of substances such as glucose and mineral ions into the cell. Also controls the movement of substances.

Question 4

What does the mitochondria do?

Answer 4

Structures in the cytoplasm where aerobic respiration takes place, releasing energy for the cell. They are also very small.

Question 5

What do the ribosomes do?

Answer 5

Protein synthesis takes place, making all the proteins needed in the cell.

Question 6

What are the chloroplasts?

Answer 6

They are found in all the green parts of a plant. They are green because they contain the green substance chlorophyll.

Question 7

What is a permanent vacuole?

Answer 7

A space in the cytoplasm filled with cell sap. This is important for keeping the cells rigid to support the plant.

Question 8

What does a cellulose cell wall do?

Answer 8

All plant and algal cells have a cell wall made of glucose that strengthens the cell and gives it support.