The deinococci stain gram-positive but have a layered cell wall and an outer membrane that is more like a gram-negative organism.

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Quizplus · Accepted Answer

Deinococci have a gram-positive staining pattern, but their cell wall structure includes an outer membrane similar to gram-negative bacteria. This unique structure makes them resistant to ionizing radiation and other extreme environmental conditions.

The Deinococci Stain Gram-Positive but Have a Layered Cell Wall