Griffith's Experiment Demonstrated Transformation Because a Mouse Injected with Live

question 42

Multiple Choice

Griffith's experiment demonstrated transformation because a mouse injected with live R and heat-killed S strains of Streptococcus pneumoniae resulted in death of the mouse and the isolation of live R as well as live S cells.Hypothesize as to the type of cells that Griffith would have observed if transformation had not occurred.

• A)Griffith would have isolated only live R cells from the mouse host.
• B)Griffith would have isolated both live R and heat-killed S cells from the mouse host.
• C)Griffith would have isolated only live S cells from the mouse host.
• D)Griffith would have isolated no cells from the mouse host.

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