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C MSA (Mannitol Salt Agar) Match the description to the correct Bacterium A= growth, agar is yellow B= Growth, agar is not yellow C= no growth

C MSA (Mannitol Salt Agar) Match the description to the correct Bacterium A= growth, agar is yellow B= Growth, agar is not yellow C= no growth

Human Anatomy & Physiology (11th Edition)
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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**Microbiological Growth Characteristics** - **Symbols Key**: - **A**: Growth, agar is yellow - **B**: Growth, agar is not yellow - **C**: No growth - **Bacterial Growth Descriptions**: 1. **This bacterium cannot grow in high salt concentrations**: - Selection options: Bacterium A, Bacterium B, Bacterium C 2. **This bacterium is salt tolerant and cannot ferment mannitol ("man-")**: - Selection options: Bacterium A, Bacterium B, Bacterium C 3. **This bacterium is salt tolerant and can ferment mannitol ("man+")**: - Selection options: Bacterium A, Bacterium B, Bacterium C 4. **This bacterium could be Staphylococcus aureus**: - Selection options: Bacterium A, Bacterium B, Bacterium C - **Interactive Element**: - Dropdown selection allowing for choice between Bacterium A, Bacterium B, and Bacterium C for each specification. This helps categorize and identify bacteria based on their growth characteristics in different conditions.
Transcribed Image Text:**Microbiological Growth Characteristics** - **Symbols Key**: - **A**: Growth, agar is yellow - **B**: Growth, agar is not yellow - **C**: No growth - **Bacterial Growth Descriptions**: 1. **This bacterium cannot grow in high salt concentrations**: - Selection options: Bacterium A, Bacterium B, Bacterium C 2. **This bacterium is salt tolerant and cannot ferment mannitol ("man-")**: - Selection options: Bacterium A, Bacterium B, Bacterium C 3. **This bacterium is salt tolerant and can ferment mannitol ("man+")**: - Selection options: Bacterium A, Bacterium B, Bacterium C 4. **This bacterium could be Staphylococcus aureus**: - Selection options: Bacterium A, Bacterium B, Bacterium C - **Interactive Element**: - Dropdown selection allowing for choice between Bacterium A, Bacterium B, and Bacterium C for each specification. This helps categorize and identify bacteria based on their growth characteristics in different conditions.
### Mannitol Salt Agar (MSA) Test Results **Image Overview:** The image displays three petri dishes labeled A, B, and C, each containing Mannitol Salt Agar (MSA). This agar is used to differentiate bacterial growth based on the fermentation of mannitol. **Descriptions:** - **Petri Dish A:** - **Observation:** Growth observed; the agar appears yellow. - **Inference:** Indicates a mannitol-fermenting bacterium, often associated with the presence of certain Staphylococcus species such as Staphylococcus aureus. - **Petri Dish B:** - **Observation:** Growth observed; the agar remains its original color (not yellow). - **Inference:** Indicates a non-mannitol-fermenting bacterium, typically other Staphylococcus species like Staphylococcus epidermidis. - **Petri Dish C:** - **Observation:** No growth observed. - **Inference:** Suggests that the bacterium cannot tolerate the high salt concentration, indicating it is not a halotolerant organism. **Instructions:** Match each dish to the descriptions provided to determine the type of bacterium based on growth and color change. ### Educational Context This exercise is designed to teach microbiology students how to interpret MSA results, which are crucial for identifying specific bacteria in laboratory settings. Understanding these results helps in diagnosing bacterial infections and selecting appropriate treatments.
Transcribed Image Text:### Mannitol Salt Agar (MSA) Test Results **Image Overview:** The image displays three petri dishes labeled A, B, and C, each containing Mannitol Salt Agar (MSA). This agar is used to differentiate bacterial growth based on the fermentation of mannitol. **Descriptions:** - **Petri Dish A:** - **Observation:** Growth observed; the agar appears yellow. - **Inference:** Indicates a mannitol-fermenting bacterium, often associated with the presence of certain Staphylococcus species such as Staphylococcus aureus. - **Petri Dish B:** - **Observation:** Growth observed; the agar remains its original color (not yellow). - **Inference:** Indicates a non-mannitol-fermenting bacterium, typically other Staphylococcus species like Staphylococcus epidermidis. - **Petri Dish C:** - **Observation:** No growth observed. - **Inference:** Suggests that the bacterium cannot tolerate the high salt concentration, indicating it is not a halotolerant organism. **Instructions:** Match each dish to the descriptions provided to determine the type of bacterium based on growth and color change. ### Educational Context This exercise is designed to teach microbiology students how to interpret MSA results, which are crucial for identifying specific bacteria in laboratory settings. Understanding these results helps in diagnosing bacterial infections and selecting appropriate treatments.
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