Identity the species of Streptococcus that exhibits beta hemolysis, is a group B

Question

Identity the species of Streptococcus that exhibits beta hemolysis, is a group B, and is negative for bile solubility. Identify the species of Stretococcus that exhibits alpha hemolysis, is negative for bile esculin hydrolysis, and is not tolerant to 6.5% NaCl. Identify the species of Streptococcus that exhibits beta hemolysis, is negative for the CAMP reaction, and resistant to SXT. Identify the group D species that exhibits alpha hemolysis and is tolerant to 6.5% Salt. In MacConkey agar, Salmonella, Shigella and other no-lactose fermenting species produce _______ colonies. Red Pink Colorless Blue In the Hektoen Enteric agar, salmonella and Shigella produce colonies that are _______. Greenish blue Red Black Colorless In the Xylose Lysine Desoxycholate agar most _______ produce colonies that are red with a black center while Shigella colonies are _______. Salmonella, red Streptococcus, black Pseudomonas, red Shigella, red In the enterotube II system, the enzyme lysine decarboxylase removes a carbon dioxide from and forms _______, an alkalinic end product. This end product causes a color change from pale yellow to purple. Indole ring Pyruvate Cadaverine Glucose

Explanation / Answer

35) In MacConkey agar Salmonella and Shigella produce Red colonies.

36) a) Greenish blue

37) a) salmonella, red

38) c) Cadavarine

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