Biology, 12.09.2019 23:30, miguel454545
When the his—salmonella strain used in the ames test is exposed to substance x, no his+ revertants are seen. if, however, rat liver supernatant is added to the cells along with substance x, revertants do occur. is substance x a potential carcinogen for human cells? explain.
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When the his—salmonella strain used in the ames test is exposed to substance x, no his+ revertants a...
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