Official government website of the Government of the Kingdom of Saudi Arabia
How to verify
Links to official Saudi websites end with edu.sa

All links to official websites of government agencies in the Kingdom of Saudi Arabia end with gov.sa.

Government websites use the HTTPS protocol for encryption and security.

Secure websites in the Kingdom of Saudi Arabia use the HTTPS protocol for encryption.

The course study cell wall- cell membrane- Cytoplasm- Golgi apparatus- Mitochondria and enzyme system- Plastids- Ribosomes- Chromosomes- Cell divisions- Cell cycle.
History view, Importance of Virology, Definitions, Shapes and size of viruses, Origins, Characteristics of viruses, Differentiation between animal and plant viruses, Nomenclature, Pathogens confused...