Which of the following methods is used to differentiate between different strains of bacteria?

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All of the above methods are used to differentiate between different strains of bacteria. Phage typing is used to identify bacterial strains based on their susceptibility to specific bacteriophages. DNA typing uses molecular techniques such as PCR and DNA sequencing to differentiate between bacterial strains based on genetic differences. Pulse field gel electrophoresis separates DNA fragments by size and can be used to compare the patterns of different bacterial strains. Biochemical tests are used to identify specific bacterial characteristics such as enzyme production and sugar metabolism. Combining these methods can provide a more comprehensive understanding of bacterial strains.

Which of the Following Methods Is Used to Differentiate Between