In Griffith's Experiments, When Heat-Killed S Strain Pneumococci Were Injected

question 113

Multiple Choice

In Griffith's experiments, when heat-killed S strain pneumococci were injected into a mouse along with live R strain pneumococci,

• A) DNA from the live R was taken up by the heat-killed S, converting the latter to R and killing the mouse.
• B) DNA from the heat-killed S was taken up by the live R, converting the latter to S and killing the mouse.
• C) proteins released from the heat-killed S killed the mouse.
• D) RNA from the heat-killed S was translated into proteins that killed the mouse.
• E) there was no result.

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