The ames test is used to identify potential carcinogens. a compound tested resulted in a few scattered colonies growing on the media, similar to the control plate with no disk. what does this result imply? a. the compound in the disk is so toxic that it inhibits almost all growth on the plate. b. the few colonies that grew are resistant to the compound. c. the few colonies that grew contain reversion mutations that allow them to grow on media without histidine. d. the compound in the disk is not mutagenic so there was no increase in the reversion rate.
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Biology, 21.06.2019 23:30
Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?
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Biology, 22.06.2019 04:30
Anurse is in the dining room and overhears a new nurse tell a client with body dysmorphic disorder that she's much too thin and must eat more before she can go home. the client bursts into tears and runs out of the dining room. what is the best way for the nurse to address this situation?
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Biology, 22.06.2019 12:50
The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above
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Biology, 22.06.2019 16:00
Why are some people more concerned about shark survival than about shark attacks?
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The ames test is used to identify potential carcinogens. a compound tested resulted in a few scatter...
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