The structure which confers certain unique phenotypic characters to bacteria but is not vital for survival, is?

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Solution

Phenotypes are visible and behavioral characteristics of an organism. Identification and study the of bacterial phenotypes, such as growth properties and motility, aid in growing them in vitro, diagnosing them in infectious conditions, using them for microbial technology. Self-conjugative plasmids have been isolated from bacteria associated with plants. These plasmids confer a wide range of traits which, while not essential for bacterial growth and replication, may facilitate survival in the environment.

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