Gsce animal cells

Question 1

Nucleas

Answer 1

Controls all the activities of the cell and is surrounded by the nucleae membrane. It contains the genes on the chromosomes that carry the instructions for making the proteins needed to build new cells or new organisns. The avrage diameter is around 10um

Question 2

Cytoplasm

Answer 2

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

Question 3

Cell membrane

Answer 3

Controls the passage of substance such as glucose and mineral ions into the cell. It also controls the movement of substances such as urea or hormones out of the cell

Question 4

Mitochondria

Answer 4

Structures in the cytoplasm where aerobic respriation take place, releasing energy for the cell. They are very small

Question 5

Ribosomes

Answer 5

Where protein synthesis take place, making all the proteins needed in the cell