Selective, Differential and Enriched Media Results

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School

St. John's University *

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Course

3302L

Subject

Biology

Date

Jan 9, 2024

Type

docx

Pages

3

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Micro Lab - Selective, Differential and Enriched Media Results Use the information presented during lab to complete this table. MacConkey Bacteria Selective agent Differential agent pH Indicator Observations Results PEA Bacteria Selective agent Differential agent pH Indicator Observations Results
Blood Agar Bacteria Selective agent Differential agent pH Indicator Observations Results Bile Esculin Bacteria Selective agent Differential agent pH Indicator Observations Results Which of these would you use for identifying 1. Gram positives 2. Gram negatives 3. Lactose fermenters 4. Hydrogen sulfide producers 5. Rapid lactose fermenters 6. Halophiles
1. Which of the media can be used to a. select for Gram negative? b. select for Gram positives? c. identify high salt tolerating bacteria? d. identify hydrogen sulfide producers? e. Identify lactose fermenters and Gram negative? f. Which of these are i. selective only, ii. differential only, iii. enriched, iv. both selective and differential
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