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asked ago in Biology & Microbiology by
A) reverse mutations convert auxotrophs to prototrophs that survive.
B) colonies are due to forward mutations that convert prototrophs to auxotrophs.
C) cells are treated with mutagen and only cells with no mutations survive.
D) cells are treated with excess amino acids and cells with mutations are killed.
E) rat liver enzymes are present to protect cells from mutation.
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answered ago by
 
Best answer
A) reverse mutations convert auxotrophs to prototrophs that survive.
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answered ago by
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answered ago by
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