During which phase, gram positive bacteria is most susceptible to penicillin?
Bacterial growth refers to the increase in number of bacterial cells. Bacteria divide exponentially into the environment. Bacteria growth is … Read more
Which structure acts like an “invisibility cloak” and protects bacteria from being Phagocytized?
The capsule is the structure that acts as an invisible cloak and helps the bacteria from phagocytosis. Characteristics of capsule: … Read more
Sulfate reducing bacteria
These are the bacteria that can use sulfate to accept the electrons during anaerobic conditions. These are basically the anaerobic … Read more
Bacteria die when they are Refrigerated or Frozen?
Bacteria grow in their optimal conditions. They need optimal temperature and pH to grow. When these conditions change, bacteria are … Read more
Pili bacteria
Pili bacteria are those bacteria that have the small hair-like appendages on the surface of bacteria. Characteristics of pili: The … Read more
Filamentous Bacteria
Filamentous bacteria are those bacteria that produce long mesh-like filament by growing end to end. These bacteria are seen as … Read more
Operon Model
Operon model was proposed by Francois Jacob and Jacques Monod. The operons are the genes that are coded for related … Read more
Heterotrophic Bacteria
Heterotrophic bacteria are those bacteria that cannot prepare their own food and obtain food from the environment. These bacteria cannot … Read more
Photosynthetic Bacteria
Photosynthetic bacteria are those bacteria that can prepare their own food by fixing the CO2 present in the environment. These … Read more
Archaea V/S bacteria
First, Archaea bacteria were classified in the eubacteria kingdom. Later in 1970, scientists separate the bacteria into two kingdoms as … Read more