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genetic disorders can result when sister chromatids fail to se...
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Biology, 21.06.2019 23:00
What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid
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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 09:40
Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.
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Mathematics, 16.06.2021 19:20
Spanish, 16.06.2021 19:30
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Biology, 16.06.2021 19:30
Mathematics, 16.06.2021 19:30
Mathematics, 16.06.2021 19:30