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Jul 18, 2022 · Identify and describe the activities of microorganisms undergoing typical phases of binary fission (simple cell division) in a growth curve. Explain several laboratory methods used to determine viable and total cell counts in populations undergoing exponential growth.
- Factors That Affect Bacterial Growth
This page titled 8.2: Factors that Affect Bacterial Growth...
- 17.1: Bacterial Growth
The relationship between the number of bacteria in a...
- Factors That Affect Bacterial Growth
Aug 31, 2023 · The relationship between the number of bacteria in a population at a given time (N t), the original number of bacterial cells in the population (N o), and the number of divisions those bacteria have undergone during that time (n) can be expressed by the following equation: \[N_t = N_o \times 2^n\]
Apr 16, 2015 · A population of bacteria such as E. coli usually has a size distribution – characteristic of the rate of growth – that is the culmination of the cell cycle in which mass plays an important regulatory role (see below; Schaechter et al., 1958).
- Vic Norris
- 10.3389/fmicb.2015.00322
- 2015
- Front Microbiol. 2015; 6: 322.
In bacterial cells, the genome consists of a single, circular DNA chromosome; therefore, the process of cell division is simplified. Karyokinesis is unnecessary because there is no nucleus and thus no need to direct one copy of the multiple chromosomes into each daughter cell.
It is possible to predict the number of cells in a population when they divide by binary fission at a constant rate. As an example, consider what happens if a single cell divides every 30 minutes for 24 hours.
Bacterial growth is proliferation of bacterium into two daughter cells, in a process called binary fission. Providing no mutation event occurs, the resulting daughter cells are genetically identical to the original cell. Hence, bacterial growth occurs. Both daughter cells from the division do not necessarily survive.
Apr 15, 2015 · A population of bacteria such as E. coli usually has a size distribution – characteristic of the rate of growth – that is the culmination of the cell cycle in which mass plays an important regulatory role (see below; Schaechter et al., 1958).
