How would you grow a streptomycin-resistant strain E. coli bacteria was spread on both agar plates and incubated for 24 hours. Pos. Srertomycih Neg. Srettomycir If you wanted to grow up a large quantity of streptomycin resistant E. coli, what would you do next?
How would you grow a streptomycin-resistant strain E. coli bacteria was spread on both agar plates and incubated for 24 hours. Pos. Srertomycih Neg. Srettomycir If you wanted to grow up a large quantity of streptomycin resistant E. coli, what would you do next?
Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Transcribed Image Text:### How Would You Grow a Streptomycin-Resistant Strain
**Step 1: Preparation and Incubation**
- *E. coli* bacteria was spread on both agar plates and incubated for 24 hours.
**Step 2: Observation of Results**
- Two agar plates are shown. One is labeled "Streptomycin Neg",' which means it has no streptomycin, and the other is labeled "Streptomycin Pos",' which means it contains streptomycin.
- The agar plate labeled "Streptomycin Neg" has a uniform bacterial growth
- The agar plate labeled "Streptomycin Pos" has distinct colonies of bacterial growth.
**Step 3: Decision Making**
- If you wanted to grow up a large quantity of streptomycin-resistant *E. coli*, what would you do next?
**Step 4: Multiple-Choice Question**
- Pick a colony of bacteria from the streptomycin-positive plate and continue to grow it on media containing streptomycin.
In conclusion, to cultivate a large quantity of streptomycin-resistant *E. coli*, isolate colonies from the streptomycin-positive agar plate and propagate them on a medium with streptomycin. This selection process ensures that only the resistant strains will thrive.
Transcribed Image Text:**Multiple Choice Question**
Please select the appropriate action from the options below pertaining to bacterial colony growth on streptomycin plates:
- **Option 1:** Pick a colony of bacteria from the streptomycin positive plate and grow it on a streptomycin negative plate.
- **Option 2:** Pick a colony of bacteria from the streptomycin negative plate and grow it on a streptomycin negative plate.
- **Option 3:** Pick a colony of bacteria from the streptomycin positive plate and grow it on a streptomycin positive plate.
- **Option 4:** Pick a colony of bacteria from the streptomycin negative plate and grow it on a streptomycin positive plate.
This multiple-choice question is part of a quiz and requires knowledge of bacterial growth on selective media containing the antibiotic streptomycin.
**Instructions:**
- Carefully read each option.
- Select the action that correctly describes the experimental setup.
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In this image, there are no graphs or diagrams to explain. The provided information consists solely of text-based multiple-choice questions related to a microbiology experiment.
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