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Why is a single colony preferred in a competent host experiment?

Answer and explanation

Correct answer: To obtain a pure clonal bacterial culture

A single colony usually arises from one original bacterial cell, so the culture grown from it is clonal and relatively pure. This prevents experimental results from being affected by a mixed bacterial population. Increasing DNA uptake is related to making cells competent, not to selecting a single colony. Exam tip: associate a single colony with a pure, genetically uniform culture.

Related tags

Competent HostSingle ColonyClonal CultureBacterial TransformationPure CulturePrinciples Of BiotechnologyBiotechnologyClass 11 Mcq

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