The phenomenon of __ was first discovered in _ by ___. In his now-famous exp

ID: 15440 • Letter: T

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The phenomenon of ____ was first discovered in ___ by ___. In his now-famous experiment he injected____ with the cells of the bacterium____ and with ___ cells of the same bacterium. The result displayed the properties of ___ cells. This led him to conclude that the ____ cells must have been altered in some way by the material from the ___cells. Though the exact substance causing the change in the cells was unknown at the time, he proposed that some sort of "___" caused the genetic exchange when the two types of cells were combined.
Years later, in the early 1940's, the work of ___, along with several colleagues demonstrated exactly what the substance was that transformed the cells. By isolating specific components from the ___ cells and exposing each component individually to the ___ cells, it is demonstrated the only material that could cause transformation of the cells was ___.
Their work was met with much skepticism initially because until that point it had been assumed that ____ was the source of the genetic material. However, repition of the experiment and the work of several others proved that _____ is indeed the transforming substance, as well as the source of genetic material.

Alexander Fleming, conjugation, heat-killed pathogenic, RNA, transformation, T.H. Morgan, mice, 1953, E. coli, living non-pathogenic, Oswald Avery, living pathogenic, 1895, heat-killed non-pathogenic, Streptococcus pneumoniae, DNA, guniea pigs, Frederick Griffith, transforming principle, transduction, 1928, rabbits, Watson and Crick, Bacillus subtilis and protein (Choices)

Explanation / Answer

-alexander fleming -conjugation -heat-killed pathogenic -RNA -transformation -T.H. Morgan -mice -1953 -E. coli -living non-pathogenic protein -oswald avery -living pathogenic -heat-killed non pathogenic -streptococcus pneumoniae -DNA guinea pigs -frederick griffith -transforming principle -transduction -1928 -rabbits -watson & crick -bacilus subtulis

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The phenomenon of ____ was first discovered in ___ by ___. In his now-famous exp

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The phenomenon of __ was first discovered in _ by ___. In his now-famous exp