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anastassius [24]
3 years ago
5

Frederic Griffith discovered transformation in his experiments on mice and Pneumococcus bacteria. He injected the mice with comb

inations of harmless, R-strain bacteria and disease-causing S-strain bacteria. Which combination of bacteria killed the mice and showed that transformation occurred?
A.


heat-killed R-strain and live S-strain


B.


heat-killed S-strain and live R-strain


C.


heat-killed bacteria of both strains


D.


live bacteria of both strains
Biology
1 answer:
qaws [65]3 years ago
6 0

Answer: B. Rough strained and heat killed smooth strain kills mouse

Explanation:

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