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Questions and Answers
What did Fred Griffith's experiment with Streptococcus pneumoniae demonstrate?
What did Fred Griffith's experiment with Streptococcus pneumoniae demonstrate?
- Resistance of mice to virulent bacteria
- Inability of mice to recover from nonvirulent bacteria infection
- Killing of virulent bacteria by heat
- Transformation of nonvirulent bacteria into virulent pathogens (correct)
What is the genotype of procaryotes?
What is the genotype of procaryotes?
- Triploid (3N)
- Haploid (1N) (correct)
- Diploid (2N)
- Tetraploid (4N)
What is the phenotype of an organism?
What is the phenotype of an organism?
- Influence of the environment
- Observable characteristics (correct)
- Genetic mutations
- Specific set of genes
Who first showed that DNA was the genetic material?
Who first showed that DNA was the genetic material?
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What did O. T. Avery, C. M. MacLeod, and M. J. Hershey's work contribute to?
What did O. T. Avery, C. M. MacLeod, and M. J. Hershey's work contribute to?
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What is the genotype of eucaryotic microorganisms?
What is the genotype of eucaryotic microorganisms?
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Who conducted the experiment that demonstrated the transformation of nonvirulent bacteria into virulent pathogens?
Who conducted the experiment that demonstrated the transformation of nonvirulent bacteria into virulent pathogens?
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What did Fred Griffith find when he injected a combination of killed virulent bacteria and a living nonvirulent strain into mice?
What did Fred Griffith find when he injected a combination of killed virulent bacteria and a living nonvirulent strain into mice?
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What is the phenotype of an organism?
What is the phenotype of an organism?
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What did the experimentation involving both bacteria and bacteriophages elucidate?
What did the experimentation involving both bacteria and bacteriophages elucidate?
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