After allowing phages grown with bacteria in a medium that contained 32p and 35s, hershey and chase used a centrifuge to separate the phage ghosts from the infected cell. they then examined the infected cells and found that they contained which demonstrated that is the phage's genetic material.
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Biology, 21.06.2019 19:00
2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms
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Biology, 22.06.2019 10:00
Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.
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Biology, 22.06.2019 12:20
Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water
Answers: 3
Biology, 22.06.2019 13:30
Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?
Answers: 3
After allowing phages grown with bacteria in a medium that contained 32p and 35s, hershey and chase...
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