After reading this article you will learn about the reproduction of bacteria and its processes. Reproduction of Bacteria: All growing cells must divide. Most bacteria multiply by transverse, binary fission, in which a single cell divides in two after developing a transverse cell wall. Within a short period, often as short as 20 minutes, a bacterium can create a complete [...]
This article throws light upon the four main growth characteristics of a pure culture of bacteria. The growth characteristics are: 1. Colonies on Agar Media 2. Growth on Agar Slants 3. Growth in Gelatin or Agar Stabs 4. Growth in Broth. Pure Culture: Characteristic # 1. Colonies on Agar Media: The bacterial culture is mixed with gelatin or agar melted [...]
This article throws light upon the eight main phases in which the growth curve of bacteria is divided. The phases are: 1. 1. Initial Stationary 2. Accelerated Growth 3. Logarithmic Growth 4. Decreasing Growth Rate 5. Maximum Stationary 6. Increasing Death Rate 7. Logarithmic Death 8. Survival or Decreasing Growth Rate. Phase # 1. Initial Stationary: This phase is characterized [...]