From all 4 of these tests, what bacterium is this? (organism identitfy) **Bacterial Culture and Microscopic View of Streptococcus****Petri Dish Culture:**The image on the left shows a Petri dish containing bacterial growth. The bacteria have been cultured using a technique called streak plating, which involves spreading a small amount of bacteria across the agar surface in a specific pattern to isolate individual colonies. The result is a series of streaks with visible colonies forming, which appear as small, discrete dots. This method helps researchers obtain pure bacterial strains for further study.**Microscopic View:**The image on the right is a microscopic view of Streptococcus bacteria. These bacteria are Gram-positive, as indicated by their purple color after a Gram stain, which is a common method used to classify bacteria. Streptococcus cells are characterized by their chain-like formation, appearing as linked spherical structures. This arrangement is one of the defining features of Streptococcus species.**Study Implications:**Studying the morphology and growth patterns of bacteria like Streptococcus is crucial for understanding their biology, pathogenicity, and how they interact with their environment. This knowledge is vital for developing effective treatments and preventive measures against bacterial infections. ### Bacitracin Sensitivity and Catalase Test**Bacitracin on Blood Agar:**The image shows a blood agar plate used for testing the sensitivity of bacteria to bacitracin. The agar plate is a circular medium with a red hue, indicating blood enrichment, which supports the growth of certain bacteria. On the surface, there is a distinct streak where bacterial growth has been applied. A labeled bacitracin disk (marked "B") is placed on the plate to observe the zone of inhibition, which would indicate bacterial sensitivity to the antibiotic.- **Zone of Inhibition:** This refers to the clear area surrounding the bacitracin disk where bacterial growth has been inhibited. The size of this zone can help determine bacterial susceptibility to bacitracin.**Catalase Test Result:**This section of the image depicts a black and white representation of a catalase test result.- **Description:** Catalase breaks down hydrogen peroxide into water and oxygen. The presence of oxygen is visible as bubble formation.- **Result Interpretation:** If bubbles form upon application of hydrogen peroxide to the bacterial sample, it indicates a positive catalase result, confirming the presence of catalase enzyme in the bacteria.

Introduction : A prokaryotic organism with only single cell is a bacteria. They lack a nucleus and…

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Catalase Result bacitracin on blood agar B

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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