A hemolysis reaction (on a blood agar plate) with an unidentified colony that results in a green zone due to oxidized iron in nonlysed red blood cells would be called

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Quizplus · Accepted Answer

The green zone in a hemolysis reaction with nonlysed red blood cells indicates alpha-hemolysis, which is a partial breakdown of red blood cells and oxidization of the iron in hemoglobin. The other choices (beta, gamma, and epsilon) all involve complete hemolysis of red blood cells, which would not result in a green zone. The term "nonhemolytic" refers to a lack of hemolytic activity, so it is not applicable in this scenario.

A Hemolysis Reaction (On a Blood Agar Plate) with an Unidentified