A filter capable of preventing bacteria from passing is placed at the bottom of a U tube
Question:
Three possible reasons:
1. The streptomycin sensitive cells mutated to resistance.
2. The streptomycin sensitive cells were transformed to streptomycin resistance by DNA- mediated transformation
3. The streptomycin sensitive cells were transduced to streptomycin resistance by transduction
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Related Book For
Microbiology A Human Perspective
ISBN: 978-0073375311
7th edition
Authors: Eugene Nester, Denise Anderson, Evans Roberts
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