Describe the functions of the following components of an animal cell: nucleus, mitochondria, and the cell membrane.

The nucleus is where the genetic information of the cell is stored as DNA; the instructions for the cell's activity. The mitochondria provide energy for the cell through the process of respiration, and the cell membrane controls the movement of substances in and out of the cell, allowing it to be protected and nourished. 

LA

Related Biology GCSE answers

All answers ▸

How do hormones affect the menstrual cycle?


Compare the advantages and disadvantages of light and electron microscopes.


What is a reflex arc?


Describe how ions, water and sugar are obtained and transported through plants. In your answer you should refer to materials moving upwards and downwards in a plant. (6 marks)