Virus a noncellular genetic element that enlists a cell for its own replication, it has an extracellular state. A virus particle containing nucleic acid surrounded by protein and other macromolecular components is called virion
The Purple Bacteria, also called Proteobacteria is the largest and most physiological diverse of all bacteria Beta purple bacteria Chemolithotrophs Chemoorganotrophs Chemoorganotrophs Gamma purple Alpha purple bacteria
2.1 Overview of the structure of microbial cells 2.2 Procaryotic cell wall 2.3 Cytoplasmic membrane 2.4 Cellular genetic information 2.5 Cytoplasmic matrix- Ribosome and Inclusions 2.6 Components external to the cell wall 2.7 Bacterial endospores
