A colony of mice is treated with a nonvirulent strain of the bacterium Streptococcus pneumoniae . Before treatment, a researcher exposed this nonvirulent strain to heat-killed cells of a virulent strain. What will be the effect on the mouse population?
A) The mice will all remain healthy.
B) Some mice will die, but most will remain healthy.
C) The mice will develop pneumonia.
D) Some mice will develop pneumonia, but most will remain healthy.
E) The mice will become immune to the bacteria.
Correct Answer:
Verified
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A)during DNA replication
B)during
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A) take up pieces
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Q32: Hfr cells are bacterial cells that _.
A)
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Q34: The F factor contains genes that encode_.
A)
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