Name one bacterium that will appear as Gram positive coccus after the Gram stain?

staphylococci

Explanation:

Gram stain -

it is the method of staining which classify the species of the bacteria into gram - positive and gram - negative.

This method distinguish the bacteria by its physical and chemical properties of the cell well of the bacteria.

1. In case of gram - positive, the stain is of color violet, because to its thick cell wall.

and,

2. In case of gram - negative, the stain is of pink color, because to thinner cell wall.

The bacterium, which shows Gram - positive coccus after the gram stain is staphylococci.