<P> If an organism does not induce hemolysis, the agar under and around the colony is unchanged, and the organism is called non-hemolytic or said to display gamma hemolysis (γ - hemolysis). Enterococcus faecalis (formerly called "Group D Strep"), Staphylococcus saprophyticus, and Staphylococcus epidermidis display gamma hemolysis . </P> <P> This is the nonspecific killing of blood cells by metabolic by - products of bacteria . This can be seen on a blood agar plate, when the blood surrounding the confluent part of your streak turns green, but there is no change around single colonies . Hemedigestion is seen with the cholera - causing bacteria, Vibrio cholerae . </P>

Determine which type of hemolysis the organism a is exhibiting