Biology
Biology, 12.11.2019 11:31, bennettaly2452

What did frederick griffith want to learn about bacteria?

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Biology, 25.06.2019 18:30, ParkBecca
In 1928, frederick griffith conducted an experiment in which he injected mice with different kinds of bacteria. when bacteria that cause disease (pathogenic) were injected in healthy mice, these mice got sick and died. other types of bacteria (nonpathogenic) did not cause the mice to die. griffith took the dna from dead pathogenic bacteria and transferred it into living nonpathogenic bacteria. these altered bacteria were then injected into healthy mice. the mice died of the same disease caused by the pathogenic bacteria. based on this information, which statement would be a valid conclusion? a) when an organism dies, the dna changes; it no longer provides the same genetic information. b) when dna from one organism is transferred to another organism, the dna no longer functions. c) dna in different types of bacteria carries exactly the same type of information. d) when dna from one organism is transferred to another organism, it can give new traits to the second organism.
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Biology, 27.06.2019 12:00, jeanine239
Which scientist conducted tests on extracts made of bacteria to show that the genetic material in bacteria is dna? a. martha chase b. oswald avery c. frederick griffith d. alfred hershey
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Biology, 01.08.2019 13:00, Pen350
The experiment performed by frederick griffith in the 1920s demonstrated that a)proteins contain genetic material responsible for infection. b)both the r-form and the s-form of the bacteria are virulent. c)bacteria are capable of undergoing gene transfers. d)all of the above
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Biology, 05.10.2019 03:40, abdullaketbi71
Frederick griffith performed an experiment in which a live culture of avirulent "rough" strain streptococcus pneumoniae bacteria were mixed with dead cells of virulent "smooth" streptococcus pneumoniae bacteria. subsequently, the "rough" bacteria were "transformed" into "smooth" bacteria capable of killing mice. this experiment demonstrated that
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