Viruses

Bacteria are unicellular organisms that have no cell walls and are a few micrometers in...

ATP is the main source of energy for cells.

There are two basic cell types: prokaryotic and eukaryotic cells.

Mitosis is the process by which a eukaryotic cell divides into two cells and the number...

Eukaryotic cells contain a number of organelles.

An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.

This lesson presents the structure and classification of bacteria and the role they play...

Our gametes are haploid cells produced from diploid cells by meiosis, a special type of...