Biology, 23.10.2020 06:01 kayleenfifep3hgi4
The hydrosphere is the earth’s intensely hot core, thick mantle composed mostly of rock, and thin outer crust.
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Biology, 21.06.2019 23:00
Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called
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Biology, 22.06.2019 02:00
Which blood cell spend most of their time in the lymphatic system?
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Biology, 22.06.2019 02:50
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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Biology, 22.06.2019 04:00
Number and variety of living organisms includes genetic, species, and ecological types
Answers: 3
The hydrosphere is the earth’s intensely hot core, thick mantle composed mostly of rock, and thin ou...
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