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Question

How to identify bacterial colony?


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Solution

Bacterial colony:

Bacterial colonies are collections of individual bacterial cells spread across a solid media.

Traits used to recognize bacterial colonies:

  1. Colonies that are smooth, tiny, or rough with well-defined boundaries.
  2. Appear glossy and moist.
  3. Unevenly shaped or round diameter of fewer than 1 mm.
  4. Few actinomycetes are filamentous and rhizoid.
  5. Species-specific color variations include red, white, purple, and more.
  6. A large number of cells produced by a single bacterium.

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