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#Question id: 34635


Which of the following are features of commensalism?

#XL - S Microbiology
  1. Only one partner benefits, the other is unharmed.
  2. A classic example is Staphylococcus epidermidis on human skin.
  3. Both partners are harmed .
  4. It is often facultative in nature.

Answer:- Option(s): 1,2,4


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Which statements correctly describe porins in Gram-negative bacteria?

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