What type of tissue do pollutants collect in?
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Biology, 21.06.2019 16:00, prettygirllniyiaa
Which of the following examples can cause gene flow between populations? a. an increase in predators to a population of zebra b. a volcanic eruption that kills half of a population of mice c. bird droppings that contain seeds from a different location d. a person that sprays a toxin on a group of mosquitoes
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Biology, 21.06.2019 20:30, makennahudson94
After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?
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Biology, 22.06.2019 02:50, mccay5016987
Keeping in mind the life cycle of bacteriophages, consider the following problem: during the reproductive cycle of a temperate bacteriophage, the viral dna inserts into the bacterial chromosome where the resultant prophage behaves much like a trojan horse. it can remain quiescent, or it can become lytic and initiate a burst of progeny viruses. several operons maintain the prophage state by interacting with a repressor that keeps the lytic cycle in check. insults (ultraviolet light, for example) to the bacterial cell lead to a partial breakdown of the repressor, which in turn causes the production of enzymes involved in the lytic cycle. as stated in this simple form, would you consider this system of regulation to be operating under positive or negative control?
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Mathematics, 11.04.2020 00:29
English, 11.04.2020 00:29
Biology, 11.04.2020 00:29
Mathematics, 11.04.2020 00:29
Biology, 11.04.2020 00:29
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Chemistry, 11.04.2020 00:29
Mathematics, 11.04.2020 00:29