Biology, 14.04.2020 19:03 swkgp3cevk
A researcher has a laboratory strain of flies that have loss-of-function mutations in both gene X and white. These flies are used as hosts for P element transformation: Embryos of the double mutant strain are injected with two plasmids, one containing a wild-type copy of the white gene (w ) and a wild-type copy of gene X, side-by-side within P element inverted repeats, and the other plasmid containing only the P element transposase gene. Transgenic offspring of the injected flies will A. have red eyes and a wild-type copy of gene X in place of the mutant copy in their genome. B. have white eyes and express transposase. C. have both plasmids integrated randomly into the genome. D. have red eyes and a wild-type copy of gene X integrated into a random location in the genome.
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Biology, 22.06.2019 06:30
To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement
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Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america
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Biology, 22.06.2019 16:30
Clara wrote the following hypothesis for an experiment about acidophilic bacteria. bacteria cells will stop dividing in a basic (alkaline) environment because of the high ph. which statement is the best way to restate the hypothesis so that it is more specific? growing acidophilic bacteria in some environments will cause the cells to stop dividing because of ph. if the ph of their environment is changed, acidophilic bacterial cell division will be affected. if the environment of acidophilic bacterial cells becomes alkaline, the bacteria will stop dividing. the more alkaline an environment, the less cell division will occur in bacteria.
Answers: 1
Biology, 22.06.2019 17:10
Question 17 (1 point) where does penicillin come from? a. it is a chemical that man invented b. it is a fungus c. it is a toxin made by other bacteria d. it was discovered in archaebacteria
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A researcher has a laboratory strain of flies that have loss-of-function mutations in both gene X an...
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