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In an experiment DNA from dead pathogenic bacteria was transferred into living bacteria that do not cause disease These altered bacteria were then injected into healthy mice These mice died of the?
The pathogenic DNA from the dead bacteria became active when combined with the DNA in the live bacteria. When injected into the mice, this reactivated DNA caused the disease and the mice died.
Who was the scientist who demonstrated genetic tranformation by injected mice with two different strains of Streptococcus pneumoniae bacteria?
The scientist was Frederick Griffith, in 1928. Although he believed proteins were involved, it was actually the transfer of DNA. The harmless pneumonia bacteria acquired the DNA from the killed viruses, and became equally lethal.
Why was the mixture of S bacteria and R BACTERIA virulent?
The live R bacteria acquired a capsule and became live, virulent S bacteria.
Why was the mixture of heat killed s bacteria and r bacteria virulent?
The live R bacteria acquired a capsule and became live, virulent S bacteria.
What is a good sentence with the word bacteria in it?
The bacteria permeated the contaminated meat, and all who consumed it became increasingly ill.
What became the main crop of cuba and Puerto Rico?
sugar quickly became the main crop on puerto rico and cuba
What contributed to the growth of the kingdoms in western Africa?
Western kingdoms in Africa were successful and became overpopulated quickly. As these people migrated to the east and south, these areas became developed very quickly.
Newspapers became very popular because?
ppl culd get news quickly
They quickly left the room when it became too crowded What is the adjective?
Crowded is the adjective.
What was discovered in tazewell that quickly became the main industy of the area?
Coal was discovered in Tazewell, Virginia, which quickly became the main industry of the area. This discovery led to the development of coal mining as the primary economic activity in Tazewell.
Did Edward bite Bella in Breaking Dawn?
ACTUALLY NO !! she became a vampire through being INJECTED WITH A NEEDLE WITH VAMPIRE VENOM WHILE PREGNANT, she was NOT bitten by ANYONE!!
Fuel mix ratio for citation ss 377?
Most engines after the early 70's take a 50/1 ratio,until they became injected.
